Cau hoi thi hoa sinh k21-p2

7/29/2019 Cau hoi thi hoa sinh k21-p2

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10 CU MCQ CHUYN HO NNG LNG SINHHC DS NH thi ln 2 block 4.2 cth 08-20091.Mc ch ca chui h hp t bo l:

A.Tng hp cc chtB.To ra [email protected] ho cc chtD.Chuyn vn in tE.A,B ng

2.Chu trnh Krebs l :

A.Ni cung cp ccht cho hydro chui h hpt bo s dng

B.Giai on thoi ho chung cui cng ca glucid,lipid, protid.

C.Tng hp acid pyruvic.D.A, B [email protected], C ng

Cu 3: Trong chu trnh Krebs, sn phm u tin c tora khi acetyl CoA kt hp vi:

a. Pyruvatb. Oxalosuccinat

c. Oxaloacetat@d. cetoglutarat

Cu 4: Trong chu trnh Krebs, giai on ch to c2ATP l

a. isocitrat cetoglutaratb. Citrat isocitratc. Succinyl Fumarat@d. Malat oxaloacetat

Cu 5: Sn phm bnh thng ca chui h hp t bo l:

a.H2O@

b.CO2c.O2d.H2O2

Cu 6 : NADH,H+ i vo CHHTB cung cp s ATP l :a. 1b. 2c. 3 @d. 4

Cu 7 : V phng din nng lng , chu trnh Krebs c ngha quan trng l v :

a.Cung cp nhiu nng lng cho cth

b.Cung cp nhiu ccht cho [email protected] cp nhiu sn phm trung gian cn thitd.L trung tm iu ha chuyn ha cc cht

Cu 8. Nguyn t tham gia trong cu trc ca cytocrom l:a. Mg.b. Cu.c. Fe@d. Zn.

Cu 9 : Bn cht ca s h hp t bo l :a.Phosphoryl ha cc chtb. Hot ha cc chtc. S dng oxy gii phng CO2d. S dng oxy ,oxy ha cc cht hu cgii ph

CO2, H2O v nng lng@Cu 10 : Cht c th nng oxy ha kh thp nht l :

a.Coenzym Qb. Oxy@

c. Cyt ad. NAD

CU HI TRC NGHIM LP DC DI HN(AN,STHP)-2009

1.Acid Nucleic:A.Gm nhiu nucleotid ni vi nhau bng lin ktphospho di este.B.C tnh cht acid do cha acid t do ca H3PO4.C.C qui c c tn 3 n 5 t tri sang phi.D.C u 3 cha nhom phosphor c 2 chc acid t do

2.ADN khng c c tnh sau:A.Mi vng xon c 10 i baseB.Mi i base cch nhau 0,34 nmC.Cc base c cu trc k nc nm pha trong ca siD.C cu trc xon tri.3.Mi ADN c c trng bi:A.Cu to ca riboseB.Cc gc phosphatC.Lin kt hydro gia cc baseD.Trnh t cc nucleotid.

4.ADN ca mi loi khc nhau v:A.S phn t v di ca chui.B.Dng thng hay vng ca ADNC.Trnh t cc base c trng cho mi ADN.D.Tt c cc c tnh trn.5.Loi ARN chim nhiu nht trong cc ARN ca t bl:A.ARN thng tinB.ARN Ribosom.C.ARN vn chuynD.Khng loi no k trn

6.Bnh Goutte (thng phong) l hu qu ri lon:A.Chuyn ho acid amin.B. Chuyn ho hemoglobin .C.Tng hp ure.D.Thoi ho acid nucleic, tch t urat cth.7.Cht c tc dng tng bi xut acid uric ra nc tiuc dng trong iu tr bnh Goutte l:A.Insulin.B.Vitamin E,F.C.ACTH v cortison.D. Adrenalin.


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8. ngi ,sn phm thoi ho cui cng ca purin thi ranc tiu l:A. Ure.B.Ammoniac.C.Acid uric.D.Alantoin.9. to thnh IMP trong sinh tng hp mononucleotid,nguyn t N1 c ly t:A.Glutamic

B.Aspartic.C. Ure.D.Glutamin10.Ribonuclease c kh nng thu phn:A.ADN.B.ARN.C.Globulin.D.Polypeptid.

Cu 11: Trong sinh tng hp protein iu no sau yKHNG NG ?

a. Gen cu trc ca t bo nhn tht c nhng on mha l exon v nhng on khng m ha l intron.b. Khi chuyn m cc exon v intron u c dng lkhun v ARNm tin thn c to thnh.c. Sau khi c tng hp protein cn c nhng bin inh to lin kt disulfua, t xon cun, hydroxyl ha, gnthm glucid d. Erythromycin c ch giai on kt thc ca s tnghp protein vi khunCu 12: Gien khi ng c k hiu l :a. P

b. Oc. Rd. SCu 13: Trong qu trnh sinh tng hp protein:a. Gen nm ARNm cha cc thng tin di truyn (TTDT)b. Gen nm ARNt cha cc TTDTc. Gen nm ADN cha cc TTDTd. Gen nm ARNr cha cc TTDTCu 14: Trong qu trnh sinh tng hp protein:a. AND khng trc tip tham gia tng hp protein nhngn quyt nh cu trc c hiu ca Protein c tng hp

b. AND trc tip tham gia tng hp Proteinc. ARNm l cht liu bo qun thng tin di truynd. ARNr l cht liu bo qun thng tin di truynCu 15: Vn chuyn AA n ni tng hp Protein v cm l vai tr ca:a. ARNrb. ARNmc. ARNtd. ADN

Cu 16: Trong s hot ha v chuyn vn AA to php aa - ARNta. Khng cn ATPb. Cn 2 ATP hot hac. Cn 1 ATP hot had. Cn Mn2+Cu 17: Vic c m c thc hin do :a. ANDb. ARNm

c. ARNrd. ARNtCu 18: M mu l :a. AUCb. AUGc. ACUd. UCUCu 19: S tng hp protein Ribosom xy ra gm mgiai on ?a. 1b. 2

c. 3d. 4Cu 20 : M kt thc l :a. UCCb. AGAc. CACd. UAACu 5: Sn phm bnh thng ca chui h hp t b:

a.H2Ob.CO2

c.O2d.H2O2Cu 6 : NADH,H+ i vo CHHTB cung cp s ATP

a. 1b. 2c. 3d. 4

Cu 7 : V phng din nng lng , chu trnh Krebs ngha quan trng l v :

a.Cung cp nhiu nng lng cho cthb.Cung cp nhiu ccht cho hydro

c.Cung cp nhiu sn phm trung gian cn thitd.L trung tm iu ha chuyn ha cc chtCu 8: Phn ng : R- R + HOH ROH + Rc xc tc bi enzym :

a.Hydrolaseb.Oxydoreductazc.Isomerased.Transferase


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Cu 9 : Bn cht ca s h hp t bo l :a.Phosphoryl ha cc chtb. Hot ha cc chtc. S dng oxy gii phng CO2d. S dng oxy ,oxy ha cc cht hu cgii phng

CO2, H2O v nng lngCu 10 : Cht c th nng oxy ha kh thp nht l :

a.Coenzym Qb. Oxy

c. Cyt ad. NAD

Cu 11 : RH + HO - PO3 H2 ---> R - PO3 - H2 + H2Ol loi phn ng :

a.Oxy hab. Thy phnc. Kh phosphoryld. Phosphoryl ha

Cu 12 : ATP l :a.Acid triphosphoricb. Acid monocarboxylic

c. Adenosin triphosphatd. Adenosin diphosphatCu 13: Phn ng ADP + H3PO4 ----> ATP + H2Oni ln vai tr g ca s phosphoryl ha :

a.Oxy ha cc chtb. Tch tr nng lngc. Hot ha cc chtd. Vn chuyn nng lng

Cu 14 : KHNG PHI l cht chuyn ha trung giantrong chu trnh Krebs :

a.Oxalo succinat

b. Pyruvatc. Cis aconitatd. Malat

Cu 15 : Mt mu Acetyl CoA i qua chu trnh Krebs toc s ATP l :

a. 3b. 12c. 13d. 124

Cu 16 : Trong chu trnh Krebs , ccht cung cp Hydrocho chui HHTB l :

a. Citrat , isocitratb. Isocitrat , Oxalo succinatc. -Cetoglutarat , Succinatd. Succinat , Fumarat

Cu 1 .Coenzym u tin tham gia chuyn in t trongchui h hp t bo l:a. Cyt.ab. Cyt cc. Cyt bd. Cyt c1Cu 2. Coenzym u tin tham gia oxy ha acid pyruvic

trong chui h hp t bo l:

a. NADb. FADc. NADPd. LTPPCu 3. Coenzym tham gia u tin vic tch hydro ccht glutamat:a. FADb. NADP+c. Co Q

d. NAD+Cu 5. Cht KHNG PHI l cht trung gian trong ctrnh acid citric:a. Acid pyruvicb. Acid oxaloaceticc. Acid oxalosuccinicd. Acid cis-acotinicCu 7. Kh carboxyl oxy ha cetoglutaric cn c stham gia ca:a. NADPb. Acetyl coA

c. Acid lipoicd. Acid pyruvicCu 8. Acid citric c bin i thnh cetoglutarictrong chu trnh Krebs cn h thng enzym sau:a. Isocitrat dehydrogenase + cetoglutarat dehydrogeb. Succinat dehydrogenase + Aconitase +Oxalosuccindehydrogenasec. Aconitase + isocitrat dehydrogenase + oxalosuccinadehydrogenased. Oxalosuccinat dehydrogenase + Succinatdehydrogenase

Cu 48 : Trong chu trnh Krebs , ccht cung cp Hycho chui HHTB l :a. Citrat , isocitratb. Isocitrat , Oxalo succinatc. -Cetoglutarat , Succinatd. Succinat , FumaratCu 16. Nguyn t tham gia trong cu trc ca cytocrl:a. Mg.b. Cu.c. Fe

d. Zn.Cu 1 : Mt phn t acetyl CoA c oxy ha trong ctrnh Krebs to ra c 12 ATP.a. ngb. SaiCu 2 : Phn ng Oxy ha l phn ng cho in t . Png kh l phn ng nhn in t .a. ngb. Sai


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Cu 8 : E0 l th nng oxy ha kh chun o c iukin pH =7 v nhit =250Ca.ngb.SaiCu 10 :Lin kt carboxyl ester l lin kt giu nng lng.a.ngb.SaiCu 21. Xc tc vn chuyn in t gia NADH v

ubiquinon yu cu c s tham gia ca mt coenzym l:a. NADP.b. Flavoproteinc. Cytochrom C1.d. Cytochrom a.Cu 22. Qu trnh chuyn in t t Cytocrom b tip theocho:a. Cyt a.b. Cyt a3.c. Cyt c.d. Cyt C1

CU HI IU DNG-2009Cu 1 : NADHH+ i vo CHHTB cung cp s ATP l :a. 1b. 2c. 3d. 4Cu 2 : V phng din nng lng , chu trnh Krebs c ngha quan trng l v :a.Cung cp nhiu nng lng cho cthb.Cung cp nhiu ccht cho hydroc.Cung cp nhiu sn phm trung gian cn thit

d.L trung tm iu ha chuyn ha cc chtCu 3: Phn ng : R- R + HOH ROH + RHc xc tc bi enzym :a.Hydrolaseb.Oxydoreductazc.Isomerased.TransferaseCu 4 : Bn cht ca s h hp t bo l :a.Phosphoryl ha cc chtb. Hot ha cc chtc. S dng oxy gii phng CO2

d. S dng oxy ,oxy ha cc cht hu cgii phng CO2,H2O v nng lngCu 5 : Cht c th nng oxy ha kh thp nht l :a.Coenzym Qb. Oxyc. Cyt ad. NADCu 6: Coenzym ca oxydoreductase vn chuyn hydro la. Vitamin B cc loib. Vitamin PP v B2c. Vitamin B6

d. Vitamin B1

Cu 7: Amino transferase c coenzym:a. Acid pantophenicb. Acid folicc. Pyridoxal phosphatd. Thiamin pyrophosphatCu 8 : Tp hp cc enzym KHNG CN c coenzya. Peptidaz , Trypsin , Aminotransferazb. Chymotrypsin , pepsin , Amylazc. Maltaz , Chymptrypsin , Lyaz

d. Lactatdehydrogenaz, Lyaz, pepsinCu 9: Tt c cc enzym u c bn cht l :a. Vitaminb. Proteinc. Cng td. Coenzym ACu 10: V tr trao i hydro ca coenzym NAD+:a. Adeninb. D Ribasec. Nicotinamidd. Dinucleotid

Cu 11: Glucose l mt :a. Oligosaccarid

b. Aldohexosec. Aldopentosed. CetohexoseCu 12: Fructose l mt :a. Oligosaccarid

b. Aldohexosec. Aldopentose

d. CetohexoseCu 13: Alcol c cu to carbua vng l:a. Sorbitolb. D - Arabinofuranosec. Inositold. MetylglucosidCu 14: Cht c hot tnh quang hc:a. L mt carbohydratb. C cu to i xngc. L cht v cd. C cu to bt i

Cu 15: S sp xp cc ng theo cu hnh D v L lvo tnh cht ging vi D v L ca :a. Glyceraldehydb. Acid tactricc. Glucosed. RiboseCu 16: Coenzym ca enzym Dehydrogenase trong cong Hesoxe monophosphat l:a. NAD c hiu.b. NADP c hiuc. FAD c hiu.

d. FMN c hiu.


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Cu 17: Mt cht quan trng tham gia vo s bin iphn ln glucose thnh glucogen gan l:a. Pyruvat kinase.b. Citidin triphosphat.c. Glucose phosphat dehydrogenase.d. Uridin triphosphatCu 18: S oxy ho glucose trong iu kin hiu khctin hnh qua trung gian:a. Chu trnh Ur.

b. Chu trnh acid tricarboxylicc. Con ng pentose phosphat.d. Chu trnh acid CitricCu 19: oxy ho hon ton 1 n v glucosyl caglycogen qua chu trnh acid citric, c bao nhiu lin ktgiu nng lng di dng ATP c to ra?a. 12.b. 35.c. 8.d. 38Cu 20: Hin tng to lactac t glucose cc t chc

c gi l:a. ng phn ym kh.b. S lactac ho.c. S oxy ho.d. S phosphoryl oxy ho.Cu 21: S bin i ca F6P thnh F1,6DP cn c:a.. Aldolase.b. Hexokinase.c. Phospho fructo kinased. Glucose oxidase.22.Acid Nucleic:

A.Gm nhiu nucleotid ni vi nhau bng lin ktphospho di este.B.C tnh cht acid do cha acid t do ca H3PO4.C.C qui c c tn 3 n 5 t tri sang phi.D.C u 3 cha nhom phosphor c 2 chc acid t do.23.ADN khng c c tnh sau:A.Mi vng xon c 10 i baseB.Mi i base cch nhau 0,34 nmC.Cc base c cu trc k nc nm pha trong ca 2siD.C cu trc xon tri.

24.Mi ADN c c trng bi:A.Cu to ca riboseB.Cc gc phosphatC.Lin kt hydro gia cc baseD.Trnh t cc nucleotid.25.ADN ca mi loi khc nhau v:A.S phn t v di ca chui.B.Dng thng hay vng ca ADNC.Trnh t cc base c trng cho mi ADN.D.Tt c cc c tnh trn.26.Loi ARN chim nhiu nht trong cc ARN ca t bo

l:

A.ARN thng tinB.ARN Ribosom.C.ARN vn chuynD.Khng loi no k trn27. to thnh IMP trong sinh tng hp mononucleo,nguyn t N1 c ly t:A.GlutamicB.Aspartic.C. Ure.

D.Glutamin28.Ribonuclease c kh nng thu phn:A.ADN.B.ARN.C.Globulin.D.Polypeptid.29.Bnh Goutte (thng phong) l hu qu ri lon:A.Chuyn ho acid amin.B. Chuyn ho hemoglobin .C.Tng hp ure.D.Thoi ho acid nucleic, tch t urat cth.

30.Cht c tc dng tng bi xut acid uric ra nc tic dng trong iu tr bnh Goutte l:A.Insulin.B.Vitamin E,F.C.ACTH v cortison.D. Adrenalin.31. ngi ,sn phm thoi ho cui cng ca purin ra nc tiu l:A. Ure.B.Ammoniac.C.Acid uric.

D.Alantoin.Cu 32: Gien khi ng c k hiu l :a. Pb. Oc. Rd. SCu 33: Trong qu trnh sinh tng hp protein:a. Gen nm ARNm cha cc thng tin di truyn (TTDb. Gen nm ARNt cha cc TTDTc. Gen nm ADN cha cc TTDTd. Gen nm ARNr cha cc TTDT

Cu 34: Trong qu trnh sinh tng hp protein:a. AND khng trc tip tham gia tng hp protein nhn quyt nh cu trc c hiu ca Protein c tngb. AND trc tip tham gia tng hp Proteinc. ARNm l cht liu bo qun thng tin di truynd. ARNr l cht liu bo qun thng tin di truynCu 35: Vn chuyn AA n ni tng hp Protein vm l vai tr ca:a. ARNrb. ARNmc. ARNt

d. ADN


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Cu 36: Trong s hot ha v chuyn vn AA to phchp aa - ARNta. Khng cn ATPb. Cn 2 ATP hot hac. Cn 1 ATP hot had. Cn Mn2+Cu 37: Vic c m c thc hin do :a. ANDb. ARNm

c. ARNrd. ARNtCu 38: M mu l :a. AUCb. AUGc. ACUd. UCUCu 39: S tng hp protein Ribosom xy ra gm mygiai on ?a. 1b. 2

c. 3d. 4Cu 40 : M kt thc l :a. UCCb. AGAc. CACd. UAACu 1: Cc isoenzym c mt tnh cht chung:a. Tnh cht l hcb. Tnh cht ha hcc. Tnh min dch

d. Tnh xc tcCu 2: Coenzym ca oxydoreductase vn chuyn hydro l:a. Vitamin B cc loib. Vitamin PP v B2c. Vitamin B6d. Vitamin B1Cu 4 : Tp hp cc enzym KHNG CN c coenzyme :a. Peptidaz , Trypsin , Aminotransferazb. Chymotrypsin , pepsin , Amylazc. Maltaz , Chymoptrypsin , Lyaz

d. Lactatdehydrogenaz, Lyaz, pepsinCu 5 : Tt c cc enzym u c bn cht l :a. Vitaminb. Proteinc. Cng td. Coenzym ACu 6: V tr trao i hydro ca coenzym NAD+ :a. Adeninb. D Ribosec. Nicotinamidd. Dinucleotid

Cu 7: V tr thu nhn H2 ca coenzym FAD :a. Adeninb. D Ribosec. Vng isoallosazin ca flavind. DinucleotidCu 8: Phn ng sau y c trng cho loi men no

2H2O2 2H2O + O2a. Peroxidaseb. Catalase

c. Dehydrogenased. Oxydase cha ngCu 9: Cc dehydrogenase s dng tt c cc coenzymsau y NGAI TR:a. NAD+b. NADH+c. FADd. CoACu 12: Tnh c hiu xc tc phn ng ha hc ca t enzym th hin phn:a. Ccht tc dng

b. Coenzymc. Ion kim loid. Apoenzym11: Phn ng NH2 CO NH2 + H2O CO2 2NH2 c xc tc bi enzyma. Vn chuynb. Thy phnc. Phn tchd. ng phn haCu 22: Trung tm xc tc phn ng ha hc ca enzyl:

a. Trung tm d lp thb. Trung tm hot ngc. Trung tm iu chnh md. Trung tm iu chnh dngCu 23: Nhit c tc dng lm tng tc phn nxc tc ca enzym c gi l h s nhit (Q10) cbi:a. S thay i nng ccht theo thi gianb. S bin thin nng ccht theo pHc. S ln tng tc phn ng khi nhit tng 100Cd. Phn trm lng ccht bin i theo nhit

Cu 25. Enzym xc tc phn ng ny l:Glucoz + ATP---> Glucoz 6 phosphat + ADPA. GlucokinazB.PhosphorylazC.GlucophosphatazD.A,B ngE.Tt c sai


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Cu 26. Enzym xc tc phn ng ny l:H3PO4Glycogen - G ---------------> Glycogen + G1 PA. GlucokinazB. Glycogen phosphorylazC.GlucophosphatazD.A,B ngE.Tt c saiCu 27. Enzym xc tc phn ng ny l:

+ H2OGlucoz 6 phosphat --> Glucoz + H3PO4

A. phospho esterazB. Gluco 6 phosphatazC. PhosphorylazD. A,B ngE. B ng

RCOOH + ATP + HSCoA RCO~SCoA + AMP +PPv

Acyl-CoAA.Acyl coA synthaz

B. Acyl CoA synthetazC.TransferazD.A,B ngE.A,C ngGlutamic + NH3 ----> Glutamin + H2OA. synthazB. Glutamin synthazC. Glutamin synthetazD.A,B ngE.B,C ngCu 11: Phn ng NH2 CO NH2 + H2O CO2

+ 2NH2 c xc tc bi enzyma. Vn chuynb. Thy phnc. Phn tchd. ng phn haCu 12: Tnh c hiu xc tc phn ng ha hc ca phnt enzym th hin phn:a. Ccht tc dngb. Coenzymc. Ion kim loid. Apoenzym

Cu 25: Dehydrogenase c coenzym va vn chuynhydro va vn chuyn in t cho h thng cytocrom l:a. NAD+b. FADc. NADP+d. CoenzymQCu 26: Sinh tng hp coenzym A cn c:a. Vitamin B1b. Vitamin B6c. Pyruvat Kinased. Acid pantothenic

Cu 29: Enzym phn ct l:

a. Dehydrogenaseb. Glycosyl transferasec. Lactat dehydrogenased. AldolaseCu 32 : Trong phn ng enzym ,Coenzyme c sdng vi chc nng :a. Quyt nh tnh c hiu ca Apoenzymb. Lm tng s trung tm hot ng ca Apoenzymc. Hot ha ccht

d. Trc tip vn chuyn in t , hydro v cc nhm hhc trong cc phn ngP N CU HI TRC NGHIM LP DC DHN (AN,STHP)-2009

1.Acid Nucleic:A.Gm nhiu nucleotid ni vi nhau bng lin ktphospho di [email protected] tnh cht acid do cha acid t do ca H3PO4.C.C qui c c tn 3 n 5 t tri sang phi.D.C u 3 cha nhom phosphor c 2 chc acid t do

2.ADN khng c c tnh sau:A.Mi vng xon c 10 i baseB.Mi i base cch nhau 0,34 nmC.Cc base c cu trc k nc nm pha trong ca siD.C cu trc xon [email protected] ADN c c trng bi:A.Cu to ca riboseB.Cc gc phosphatC.Lin kt hydro gia cc baseD.Trnh t cc nucleotid.@

4.ADN ca mi loi khc nhau v:A.S phn t v di ca chui.B.Dng thng hay vng ca ADNC.Trnh t cc base c trng cho mi ADN.D.Tt c cc c tnh [email protected] ARN chim nhiu nht trong cc ARN ca t bl:A.ARN thng tinB.ARN [email protected] vn chuynD.Khng loi no k trn

6.Bnh Goutte (thng phong) l hu qu ri lon:A.Chuyn ho acid amin.B. Chuyn ho hemoglobin .C.Tng hp ure.D.Thoi ho acid nucleic, tch t urat [email protected] c tc dng tng bi xut acid uric ra nc tiuc dng trong iu tr bnh Goutte l:A.Insulin.B.Vitamin E,F.C.ACTH v cortison.@D. Adrenalin.


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8. ngi ,sn phm thoi ho cui cng ca purin thi ranc tiu l:A. Ure.B.Ammoniac.C.Acid [email protected]. to thnh IMP trong sinh tng hp mononucleotid,nguyn t N1 c ly t:A.Glutamic

B.Aspartic.@C. Ure.D.Glutamin10.Ribonuclease c kh nng thu phn:[email protected] 11: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Gen cu trc ca t bo nhn tht c nhng on m

ha l exon v nhng on khng m ha l intron.b. Khi chuyn m cc exon v intron u c dng lkhun v ARNm tin thn c to thnh.c. Sau khi c tng hp protein cn c nhng bin inh to lin kt disulfua, t xon cun, hydroxyl ha, gnthm glucid d. Erythromycin c ch giai on kt thc ca s tnghp protein vi khun@Cu 12: Gien khi ng c k hiu l :a. P@b. O

c. Rd. SCu 13: Trong qu trnh sinh tng hp protein:a. Gen nm ARNm cha cc thng tin di truyn (TTDT)b. Gen nm ARNt cha cc TTDTc. Gen nm ADN cha cc TTDT@d. Gen nm ARNr cha cc TTDTCu 14: Trong qu trnh sinh tng hp protein:a. AND khng trc tip tham gia tng hp protein nhngn quyt nh cu trc c hiu ca Protein c tnghp@

b. AND trc tip tham gia tng hp Proteinc. ARNm l cht liu bo qun thng tin di truynd. ARNr l cht liu bo qun thng tin di truynCu 15: Vn chuyn AA n ni tng hp Protein v cm l vai tr ca:a. ARNrb. ARNmc. ARNt @d. ADNCu 16: Trong s hot ha v chuyn vn AA to phchp aa - ARNt

a. Khng cn ATP

b. Cn 2 ATP hot hac. Cn 1 ATP hot ha@d. Cn Mn2+Cu 17: Vic c m c thc hin do :a. ANDb. ARNmc. ARNrd. ARNt@Cu 18: M mu l :

a. AUCb. AUG@c. ACUd. UCUCu 19: S tng hp protein Ribosom xy ra gm mgiai on ?a. 1b. 2c. 3@d. 4Cu 20 : M kt thc l :

a. UCCb. AGAc. CACd. UAA@P N CU HI IU DNG-2009chnlCu 1 : NADHH+ i vo CHHTB cung cp s ATP la. 1b. 2c. 3@d. 4

Cu 2 : V phng din nng lng , chu trnh Krebs ngha quan trng l v :a.Cung cp nhiu nng lng cho cthb.Cung cp nhiu ccht cho [email protected] cp nhiu sn phm trung gian cn thitd.L trung tm iu ha chuyn ha cc chtCu 3: Phn ng : R- R + HOH ROH + Rc xc tc bi enzym :[email protected]

d.TransferaseCu 4 : Bn cht ca s h hp t bo l :a.Phosphoryl ha cc chtb. Hot ha cc chtc. S dng oxy gii phng CO2d. S dng oxy ,oxy ha cc cht hu cgii phng CH2O v nng lng@Cu 5 : Cht c th nng oxy ha kh thp nht l :a.Coenzym Qb. Oxy@c. Cyt a

d. NAD


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xtshCu 6: Coenzym ca oxydoreductase vn chuyn hydro la. Vitamin B cc loib. Vitamin PP v B2@c. Vitamin B6d. Vitamin B1Cu 7: Amino transferase c coenzym:a. Acid pantophenicb. Acid folic

c. Pyridoxal phosphat@d. Thiamin pyrophosphatCu 8 : Tp hp cc enzym KHNG CN c coenzyme :a. Peptidaz , Trypsin , Aminotransferazb. Chymotrypsin , pepsin , Amylaz@c. Maltaz , Chymptrypsin , Lyazd. Lactatdehydrogenaz, Lyaz, pepsinCu 9: Tt c cc enzym u c bn cht l :a. Vitaminb. Protein@c. Cng t

d. Coenzym ACu 10: V tr trao i hydro ca coenzym NAD+:a. Adeninb. D Ribasec. Nicotinamid @d. DinucleotidglucidCu 11: Glucose l mt :a. Oligosaccaridb. Aldohexose@c. Aldopentose

d. Cetohexosecu 12: Fructose l mt :a. Oligosaccaridb. Aldohexosec. Aldopentosed. Cetohexose@Cu 13: Alcol c cu to carbua vng l:a. Sorbitolb. D - Arabinofuranosec. Inositol@d. Metylglucosid

Cu 14: Cht c hot tnh quang hc:a. L mt carbohydratb. C cu to i xngc. L cht v cd. C cu to bt i@Cu 15: S sp xp cc ng theo cu hnh D v L l davo tnh cht ging vi D v L ca :a. Glyceraldehyd@b. Acid tactricc. Glucosed. Ribose

chglucid

Cu 16: Coenzym ca enzym Dehydrogenase trong cong Hesoxe monophosphat l:a. NAD c hiu.b. NADP c hiu@c. FAD c hiu.d. FMN c hiu.Cu 17: Mt cht quan trng tham gia vo s bin phn ln glucose thnh glucogen gan l:a. Pyruvat kinase.

b. Citidin triphosphat.c. Glucose phosphat dehydrogenase.d. Uridin triphosphat@Cu 18: S oxy ho glucose trong iu kin hiu khtin hnh qua trung gian:a. Chu trnh Ur.b. Chu trnh acid tricarboxylic@c. Con ng pentose phosphat.d. Chu trnh acid CitricCu 19: oxy ho hon ton 1 n v glucosyl caglycogen qua chu trnh acid citric, c bao nhiu lin k

giu nng lng di dng ATP c to ra?a. 12.b. 35.c. 8.d. 38@Cu 20: Hin tng to lactac t glucose cc t chc gi l:a. ng phn ym kh.@b. S lactac ho.c. S oxy ho.d. S phosphoryl oxy ho.

Cu 21: S bin i ca F6P thnh F1,6DP cn c:a.. Aldolase.b. Hexokinase.c. Phospho fructo kinase@d. Glucose oxidase.Acid Nucleic:22.Acid Nucleic:A.Gm nhiu nucleotid ni vi nhau bng lin ktphospho di [email protected] tnh cht acid do cha acid t do ca H3PO4.C.C qui c c tn 3 n 5 t tri sang phi.

D.C u 3 cha nhom phosphor c 2 chc acid t do23.ADN khng c c tnh sau:A.Mi vng xon c 10 i baseB.Mi i base cch nhau 0,34 nmC.Cc base c cu trc k nc nm pha trong ca siD.C cu trc xon [email protected] ADN c c trng bi:A.Cu to ca riboseB.Cc gc phosphatC.Lin kt hydro gia cc base

D.Trnh t cc nucleotid.@


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25.ADN ca mi loi khc nhau v:A.S phn t v di ca chui.B.Dng thng hay vng ca ADNC.Trnh t cc base c trng cho mi ADN.D.Tt c cc c tnh [email protected] ARN chim nhiu nht trong cc ARN ca t bol:A.ARN thng tinB.ARN Ribosom.@

C.ARN vn chuynD.Khng loi no k trnCHAN27. to thnh IMP trong sinh tng hp mononucleotid,nguyn t N1 c ly t:A.GlutamicB.Aspartic.@C. Ure.D.Glutamin28.Ribonuclease c kh nng thu phn:A.ADN.

[email protected] Goutte (thng phong) l hu qu ri lon:A.Chuyn ho acid amin.B. Chuyn ho hemoglobin .C.Tng hp ure.D.Thoi ho acid nucleic, tch t urat [email protected] c tc dng tng bi xut acid uric ra nc tiu ,c dng trong iu tr bnh Goutte l:A.Insulin.

B.Vitamin E,F.C.ACTH v cortison.@D. Adrenalin.31. ngi ,sn phm thoi ho cui cng ca purin thira nc tiu l:A. Ure.B.Ammoniac.C.Acid [email protected] 32: Gien khi ng c k hiu l :

a. P@b. Oc. Rd. SCu 33: Trong qu trnh sinh tng hp protein:a. Gen nm ARNm cha cc thng tin di truyn (TTDT)b. Gen nm ARNt cha cc TTDTc. Gen nm ADN cha cc TTDT@d. Gen nm ARNr cha cc TTDTCu 34: Trong qu trnh sinh tng hp protein:

a. AND khng trc tip tham gia tng hp protein nhn quyt nh cu trc c hiu ca Protein c tnghp@b. AND trc tip tham gia tng hp Proteinc. ARNm l cht liu bo qun thng tin di truynd. ARNr l cht liu bo qun thng tin di truynCu 35: Vn chuyn AA n ni tng hp Protein vm l vai tr ca:a. ARNr

b. ARNmc. ARNt @d. ADNCu 36: Trong s hot ha v chuyn vn AA to php aa - ARNta. Khng cn ATPb. Cn 2 ATP hot hac. Cn 1 ATP hot ha@d. Cn Mn2+Cu 37: Vic c m c thc hin do :a. AND

b. ARNmc. ARNrd. ARNt@Cu 38: M mu l :a. AUCb. AUG@c. ACUd. UCUCu 39: S tng hp protein Ribosom xy ra gm mgiai on ?a. 1

b. 2c. 3@d. 4Cu 40 : M kt thc l :a. UCCb. AGAc. CACd. UAA@T cu 1 n cu 13 chn cu ng nht.Cu 1: Gen khi ng c k hiu l :a. P

b. Oc. Rd. SCu 2: Trong qu trnh sinh tng hp protein:a. Gen nm ARNm cha cc thng tin di truyn (TTb. Gen nm ARNt cha cc TTDTc. Gen nm ADN cha cc TTDTd. Gen nm ARNr cha cc TTDT


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Cu 3: Trong qu trnh sinh tng hp protein:a. ADN khng trc tip tham gia tng hp protein nhngn quyt nh cu trc c hiu ca Protein c tng hpb. ADN trc tip tham gia tng hp Proteinc. ARNm l cht liu bo qun thng tin di truynd. ARNr l cht liu bo qun thng tin di truynCu 4: Vn chuyn AA n ni tng hp Protein v cm l vai tr ca:a. ARNr

b. ARNmc. ARNtd. ADNCu 5: Trong s hot ha v chuyn vn AA to phchp aa - ARNta. Khng cn ATPb. Cn 2 ATP hot hac. Cn 1 ATP hot had. Cn Mn2+Cu 6: Vic c m c thc hin do :a. AND

b. ARNmc. ARNrd. ARNtCu 7 : M kt thc l :a. UCCb. AGAc. CACd. UAACu 8: Trong sinh tng hp protein:a. ARNm gn vi R50S (vi khun) trong giai on mu.

b. Bc 1 ca giai on ko di l s tip nhn acid amint do.c. Bc 3 ca giai on ko di th peptidyl-ARNt v trA.d. Ngun nng lng ca giai on mu l GTPCu 9: M mu l :a. AUCb. AUGc. ACUd. UCUCu 10: S tng hp protein Ribosom xy ra gm my

giai on ?a. 1b. 2c. 3d. 4M mu :AUGM kt thc :UAA, UAG, UGACu 11: Trong sinh tng hp protein:a. Thnh phn ca operon gm c : mt s gen cu trc,gen khi ng v gen iu ha.b. S chuyn m bt u t gen iu ha.

c. Cc m ng vi mt chui polypeptid th c xp nhau theo th t tng ng vi th t ca cc acid amca polypeptidd. Trancriptase ngc xc tc s truynthng tin ngc t protein n ARN.Cu 12: Trong sinh tng hp protein:a. ARNt gic cu trc ba chiu l nhlin ktdisulfuab. Qu trnh kt hp acid amin vi ARNt th khng cnng lng.

c. C tt c 20 ARNt ng vi 20 acid amin.d. S nhn i khin cho thng tin di truyn c truyt ADN m sang ADN ca t bo conCu 13: Trong sinh tng hp proteina. Lin kt gia acid amin v ARNt l lin ktacylphosphat giu nng lng.b. C 60 acid amin ARsynthetase tham gia hot ha 20 loi acid amin.c. Mt ARNt c th vn chuyn nhiu acid amin.d. Nhnh tip nhn ca ARNt bao gicng c b ba Cu 3Cu 14: Trong sinh tng hp protein iu no sau y

KHNG NG ?a. Lun thuyt trung tm ni v qu trnh truyn thngdi truyn t protein ti ADNb. Mi chui polypeptid c m ha vi mt gen cutrc hay cistron.c. Qu trnh biu hin gen din ra qua hai bc : chuym hay sao chp v gii m hay phin dch.d. ARN polymerase hng ARN hay ARN replicase xtc s tng hp ARN b sung vi ARN khun.Cu 15: Trong sinh tng hp protein iu no sau yKHNG NG ?

a. M c c theo chiu 5 3b. M kt thc l UAA, UAG v UGAc. M thoi ha l nhng m cng m ha mt acid amd. ng vi m sao AUU ARNm l m gc ATT ACu 16: Trong sinh tng hp protein iu no sau yKHNG NG ?a. S hot ha acid amin khng cn ATP v Mg++b. ARNm l bn sao ca mt hoc trn mt gen cu trc. ARNt c hai vai tr : vn chuyn acid amin v c d. Ribosom l nh my tng hp proteinCu 17: Trong sinh tng hp protein iu no sau y

KHNG NG ?a. t bo c nhn, giai on mu ca s tng hpprotein c s tham gia ca acid amin l formyl methiob. Enzym xc tc s tng hp aa-ARNt l amino acyl-ARNt synthetase.c. Cun i m c b ba i m c hiu i vi acidamin c ARNt tng ng vn chuyn.d. Ribosom c hai v tr tip nhn : v tr P (tip nhnpeptidyl ARNt ) v v tr A tip nhn ( tip nhn aa-A).


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Cu 18: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Trong giai on mu c s to phc hp mu30S, ri phc hp mu 70S (E. coli).b. Mi chu k ca giai on ko di chui polypeptid gm3 bc vi s tham gia ca cc yu t ko di (EF).c. Giai an kt thc c s tham gia ca nhng yu t giiphng (RF).d. Khi kt thc s tng hp polypeptid th ARNt vn bm

cht vo robosomCu 19: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Trong giai on ko di chui polypeptid c s thamgia ca enzym peptidyl transferase.b. Cc ribosom ca polysom trt trn ARNm vi tc khc nhauc. Qua nhiu chu k ca giai on ko di, chuipolypeptid c to thnh gn vi ARNt di dngpolypeptidyl ARNt.d. Khi kt thc tng hp chui polypeptid th R 70S tch

thnh R 50S v R 30S.Cu 20: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Gen cu trc ca t bo nhn tht c nhng on mha l exon v nhng on khng m ha l intron.b. Khi chuyn m cc exon v intron u c dng lkhun v ARNm tin thn c to thnh.c. Sau khi c tng hp protein cn c nhng bin inh to lin kt disulfua, t xon cun, hydroxyl ha, gnthm glucid d. Erythromycin c ch giai on kt thc ca s tng

hp protein vi khunErythromycin :Ngn cn s chuyn v (bc 3)Erythromycin :Ngn cn s chuyn v (bc 3)Cu 21. on ARNm c th t l:A U G C A G G A A c sao chp t ADN no?A. A G C G G A A G

T C G C C T T CB. T A C G T C C T T

A T G C A G G A AC. T A T G T C C T A

A T A C A G G A T

D G T T G A C C A AC A A C T G G T TCu 22.M mu ,c thnh phn cc base Nitl:A. UUUB. UUGC. AUGD. UAGCu 24. Ba m kt thc khng ng vi acid amin no l:A. UUU, UCU, v UGUB. CUU, CUC, v CAGC. AUU, AUA v AUG

D. UAA, UAG v UGA

Cu 1: Hormon c coi l cht xc tc sinh hc v :a. Chng hot ng nng 10-1 10-2 mol/lb. C thi gian bn thi trong huyt tng khong vingyc. Xc tc c hiu cho 1 phn ng chuyn had. Xc tc nhiu phn ng chuyn ha ca cthCu 2: Tuyn ni tit KHNG C ngun gc t :a. Tinh hon v bung trngb. T chc lin kt

c. H thng thn kinhd. H thng cCu 3: Receptor cm th hormon ca t bo ch c im sau ging protein vn chuyn huyt tng:a. C kh nng truyn tn hiub. C mt ngang nhau trong t boc. C kh nng gn hormond. C th lu gi hormon trong muCu 4: c im ca cc hormon nhm I ( steroid, gitrng)a. C receptor trong t bo

b. Khng cn c protein vn chuync. C thi gian bn hy ngn ( hng pht)d. C cht trung gian truyn tin l cAMP, Ca2+Cu 12: Tc dng ca hormon tuyn gip l:a. Tng ti hp th Ca2+ v bi tit PO43- thnb. Gim chuyn ha cbnc. Hng huytd. Gim thoi ha lipidCu 10: c im ca Insulin l :a. c tng hp bi cc t bo ca tuyn tyb. Gm 29 acid amin

c. To phc hp vi Znd. Cu to bi 1 chui polypeptid

Cu 11: Tc dng hng huyt ca Insulin , CHNCU SAI :a. Kch thch s gia nhp glucose vo cv ganb. Kch thch tng hp glycogen gan v cc. Kch thch thoi ha glucose to acetyl-CoAd. Kch thch s thoi ha glycogen gan v cCu 13: c im chung ca hormon steroid , CHNCU SAI :

a. C cu trc ca khung cyclopentanoperhydrophenantrenb. c tng hp t pregnenolonc. Gn vi receptor c hiu nm trong t bod. C ngun gc t s thai ha phospholipidCu 14: Nng estrogen:a. Cao nht vo nhng ngy trc kinhb. t nh cao nht vo ngy rng trngc. Gim dn theo thng thaid. Thp nht vo ngy rng trng


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Cu 15: Trong thi gian c thai, Progesteron :a. Khng thay ib. Gim dn theo thng thaic. Gim thp nht trc ngy sinhd. Cn gi yn thaiCu 16: V ha hc, Estrogen c c trng bi :a. Mt khung steroid c 21 carbonb. Thiu nhm metyl C-10c. Vng D thm

d. Thiu oxy C-17Cu 17: Progesteron l tin cht ca:a. Aldosteron, cortisol v corticosteronb. Cholesteron, cortison v acid cholicc. Aldosteron, acid deoxycholic v pregnenolond. Hydrocortison, pregnenolon v estriolCu 18: Thyroxin c to thnh trong tuyn gip t :a. Triiodothyroninb. Thyroglobulinc. Tryptophand. Tyramin

Cu 19: Aldosteron:a. L mineralocorticoid hot ng nhtb. L 1 cht chuyn ha ca dehydroepiandrosteronc. C tc dng c ch ti hp th Na ng thnd. L tin cht ca 11 deoxycorticosteronCu 20: Cc steroid c thi tr ra khi cth :a. Theo phnb. Theo nc tiuc. Theo mtd. Di dng ghp vi taurinCu 21: Ty sn xut 1 yu t gy tng ng huyt l:

a. Insulinb. Lipasec. Glucagond. FSHCu 22: Inositol triphosphat l cht truyn tin th 2 c tcdng:a. Kch thch protein kinase ph thuc cAMPb. Kch thch phospho diesterasec. Gii phng Ca ra khi h thng li ni bod. C 1 nhm chc aldehyd C-17Cu 23: Mt trong nhng tc dng ca cortisol

(hydrocortison) l:a. c ch tuyn bi tit ACTHb. Kch thch tng hp protein cc. c ch tn to glucose gand. c ch tuyn yn bi tit GHCu 24: Qu trnh tng hp Insulin i t 1 tin chtprotein do :a. Kh cc cu disulfurb. Tc ng ca 1 aminopeptidasec. Tc ng ca 1 carboxypeptidased. Ct 1 peptid gia chui acid amin

Cu 25: Mt cquan ch ca hormon tuyn cn gip l:

a. T bo ca tyb. T bo ca tyc. T bo tit calcitonind. ThnCu 26: Epinephrin:a. V norepinephrin gn vo receptor mng t bo cdng hot ha adenylat cyclaseb. S dng Inositol triphosphat (IP3) lm cht truyn tth 2 trong nhng p ng trung gian t bo

c. Bc ch tc dng bi aspirind. Bi khng bi norepinephrinCu 27: Cht truyn dn tin th 2 c thc tn to phosphattidyl inositol diphosphat l:a. Inositol diphosphatb. Acid arachidonicc. Diacylglycerold. AMP vngCu 28: Receptor cm th Insulin:a. C 1 vng tng t vi vng receptor cm th thyrob. C th gn Mn2+

c. C i lc cao i vi DNAd. C 1 vng tyrosin kinaseCu 29: Cch hot ng ca cAMP l :a. Gn vo tiu n v xc tc ca protein kinase Ab. Gn vo tiu n viu ha ca protein kinase Ac. C s dimer ha v sau hot ha protein kinase Ad. ng vai tr l cht cho phosphat trong cc phn nphosphoryl ha xc tc bi protein kinaseCu 30: Tuyn cn gip iu ha chuyn ha ca:a. Calci v Magib. Phospho v Magi

c. Calci v Phosphod. Calci v MagiCu 31: Hormon rut non c tc dng kch thch sbp ca ti mt v bi tit Amylase ty l:a. Somatostatinb. Vasoactive intestinal polypeptidc. Cholecystokinin-pancreatozymind. EnterokinaseCu 32: Insulin c trng bi s c mt ca:a. Hai chui peptid ni vi nhau bi 2 lin kt disulfurb. Hai chui peptid ni vi nhau bi cc lin kt ca C

Nc. 14 acid amind. Mt chui peptid gm 28 acid aminCu 33: Thyroxin c tng hp trong cth t:a. Tyroxinb. Indol-5,6-quinonc. L-histidind. Tyramin


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Cu 34: Trong bnh thiu nng tuyn cn gip ngi ccc triu chng sau , NGAI TR:a. Gim bi tit phospho v cniub. Tng phospho v ctrong huyt thanhc. Gim Ca2+ trong huyt thanhd. Tng lng Glucose muCu 35: Cht no l tin cht trong qu trnh sinh tng hpTestosterona. Adrenosteron

b. Pregnenolonc. Estrond. Metyl testosteronCu 36: Phn ln Androgen c bi tit ra nc tiudi dng:a. Estradiolb. T doc. Lin hp vi acid glucuronicd. Este phenol sulfatCu 37: Hormon kch thch nang trng v hong thcsn xut t:

a. T bo ca tuyn tyb. Thy trc tuyn ync. Nang trngd. T bo leydig

Cu 38: Hormon steroid no cha 1 nhn thm:a. Progesteronb. Testosteronc. Estrond. CortisonCu 39: Thiu ht Insulin gy ra cc hin tng sau ,

CHN CU SAI :a. Km hm tng hp proteinb. Tng thoi ha proteinc. Tng qu trnh sinh tng hp acid bod. Gim thai ha LipidCu 40: Steroid v thng thn c tng hp invivo t :a. Testosteronb. 18- hydroxy corticosteronc. Cortisond. ProgesteronCu 41: Sn xut thiu ADH s gy bnh :

a. Parkinsonb. Addisonc. i tho ngd. i nhtCu 42: Vasopressin :a. C kh nng lm gim p lc mub. Kch thch ti hp th nc ng ln xac. Kch thch li niud. c ch s ti hp th nc ng ln xaCu 43: Bnh Giantism v acromegaly ( to u ngn ) lnhng bnh do ri lon bi tit hormon no?

a. FSH

b. TSHc. Somatotropind. ParathormonCu 44: Estradiol:a. Kch thch Adenylat cyclase ca t bo chb. Lin hp vi sulfat trc khi c tc dngc. Thay i tnh cht vn chuyn ca t bo chd. Kch thch sao chp chui DNA c hiuHO HC ACID NUCLEIC

1.Acid Nucleic:A.Gm nhiu nucleotid ni vi nhau bng lin ktphospho di este.B.C tnh cht acid do cha acid t do ca H3PO4.C.C qui c c tn 3 n 5 t tri sang phi.D.C u 3 cha nhom phosphor c 2 chc acid t do2.ADN khng c c tnh sau:A.Mi vng xon c 10 i baseB.Mi i base cch nhau 0,34 nmC.Cc base c cu trc k nc nm pha trong ca si

D.C cu trc xon tri.3.Mi ADN c c trng bi:A.Cu to ca riboseB.Cc gc phosphatC.Lin kt hydro gia cc baseD.Trnh t cc nucleotid.4.ADN ca mi loi khc nhau v:A.S phn t v di ca chui.B.Dng thng hay vng ca ADNC.Trnh t cc base c trng cho mi ADN.D.Tt c cc c tnh trn.

5.Loi ARN chim nhiu nht trong cc ARN ca t bl:A.ARN thng tinB.ARN Ribosom.C.ARN vn chuynD.Khng loi no k trn6.c im chung ca ARN vn chuyn l:A.Gm 4 cnh tay chnh.B.C tn cng l chui C-C-A (5->3) cnh tay nhC.Cha nhm anticodon gm 3 nucleotid tng ng vcodon trn mARN.

D.Tt c nhng c im trn.7.Acid Nucleic:A.u cha cc purin ging nhau.B.u cha cc pyrimidin ging nhau.C.C cha cytosin v thymin trong ARN.D.u c thu phn trong kim yu.8.Thu phn acid ribonucleic bng acid s cho nhng phm chnh sau:A.D-deoxyribose, cytosin, adenin.B.D-ribose, thymin, guanin.C.D-ribose, cytosin, uracil, thymin.

D.D-ribose, cytosin, uracil, adenin, guanin.


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9.Thu phn hon ton acid ribonucleic bng acid s chott c nhng cht sau,TR:A.Acid phosphoric.B.Purin, Adenin.C.ng 5 C.D.Adenosin.10.Cht no sau y c trong ARN nhng khng c trongADN.A.Thymin.

B.Cytocin.C.Uracil.D.Guanin, Adenin.CHUYN HO ACID NUCLEIC.1.Acid inosinic l tin cht tng hp:A.Acid orotic v uridylic.B.Acid adenylic v guanylic.C.Purin v pyrimidin.D.Uracin v thymin.2.Sn phm thoi ho ch yu ca chuyn ho purin l:A.Allantoin.

B. ure.C.Ammoniac.D.Acid uric.3.C mt acid amin hai ln tham gia vo qu trnh tnghp nhn purin ca purin nucleotid l:A.Lysin.B.Glycin.C.GlutaminD.Tyrosin4. to thnh IMP trong sinh tng hp mononucleotid,nguyn t N1 c ly t:

A.GlutamicB.Aspartic.C. Ure.D.Glutamin5.Ribonuclease c kh nng thu phn:A.ADN.B.ARN.C.Globulin.D.Polypeptid.6.Bnh Goutte (thng phong) l hu qu ri lon:A.Chuyn ho acid amin.

B. Chuyn ho hemoglobin .C.Tng hp ure.D.Thoi ho acid nucleic, tch t urat cth.7.Cht c tc dng tng bi xut acid uric ra nc tiu ,c dng trong iu tr bnh Goutte l:A.Insulin.B.Vitamin E,F.C.ACTH v cortison.D. Adrenalin.

8. ngi ,sn phm thoi ho cui cng ca purin thi ra

nc tiu l:

A. Ure.B.Ammoniac.C.Acid uric.D.Alantoin.Cu 1: Glucose l mt :a. Oligosaccaridb. Aldohexosec. Aldopentosed. Cetohexose

Cu 2: Fructose l mt :a. Oligosaccaridb. Aldohexosec. Aldopentosed. CetohexoseCu 7: Polysaccarid no KHNG PHI l polymer cglucose :a. Amyloseb. Insulinc. Glycogend. Amilopectin

Cu 8: Sn phm ca thy phn ng n la. Fructose v galactoseb. Galactose v glucosec. Maltose v glucosed. Fructose v glucoseCu 11: Sn phm thy phn cui cng ca glycogen acid l :a. Amylopectinb. Dextrinc. Glucosed. Maltose

Cu 12: ng quan trng tham gia vo thnh phn cnucleotid v acid nucleic l :a. Hexoseb. Sedoheptulosec. Triosed. PentoseCu 26: ngha ca con ng ng phn l:a. t c ngha v mt nng lngb. Cung cp NADPH2 cho cc qu trnh sinh tng hpc. Cung cp glucose cho mu iu ha ng huyd. Cung cp nng lng di dng nhit

Cu 27: ngha ca con ng pentose l:a. Cung cp phn ln nng lng cho cthb. Cung cp NADPH tham gia vo qu trnh oxy ha tboc. Cung cp NADPH to ATPd. Cung cp ribose 5 phosphat l tin cht tng hpnucleotid v acid nucleicCu 29: Enzym KHNG Cgan l:a. Fructose 1-6 Diphosphataseb. Glucose 6-phosphatasec. Uridyl Diphospho glucuronosyl transferase

d. Hexo kinase


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Cu 30: Glutamin l acid amin cho ng qua sn phmtrung gian no ca chu trnh Krebs:a. Acetyl CoAb. Oxalo acetatc. -cetoglutaratd. Succinyl CoACu 32: Acid bo tham gia vo qu trnh tn to Glucosebng cch :a. Gin tip cung cp mt lng ln ATP v NADH

b. Cung cp Acetyl-CoA bin i thnh Pyruvat.c. Cung cp Acetyl-CoA bin i thnh oxalo acetat.d. Vn chuyn Acid amin cho ng vo gan.Cu 33: Trong cth ,Glycogen l cht:a. c tng hp mi t chc tr gan v xng.b. ng vai tr d tr v iu ha ng huyt.c. dng thoi ha cung cp ATP cho s co cd. dng thoi ha cung cp nng lng cho t bo ganhot ng.Cu 35: S phosphoryl ha ca glucose thnh glucose 6-phosphat c:

a. c xc tc bi Glucokinase.b. c xc tc bi Hexo kinasec. c xc tc bi Phospho gluco isomerase.d. Bc ch bi F6P.Cu 36: Gan ng vai tr iu ha ng huyt do :a. Gan khng cho Glucose t do i qua mng t bo mtcch d dng.b. Nng Glucose huy t khng nh hng n gan.c. Hexo kinase gan xc tc qu trnh thoi ha Glucosecung cp nng lng cho t bo.d. C h thng enzym c hiu gip phn ly glycogen khi

ng huyt h v thu np glucose t mu bin thnhGlycogen d tr khi ng huyt tngCu 39: Glucose l cht :a. Bnh thng khng i qua c cu thnb. Chc ti hp th mt phn ng thn.c. C ngng thn l 170 180 mg/dld. Bnh thng chim mt lng nh (khong 1 g) trongnc tiuCu 40: Trong qu trnh ng phn ym kh :a. Mt phn t Glucose tch trc tip thnh 2 phn tlactat

b. C s tng hp tht s 2 phn t ATP cho mi phn tglucose bin i thnh lactatc. S dng mt phn t ATP giai on chun b.d. Phn ng xc tc bi hexokinase l phn ng thunnghchCu 44: Cht trung gian ha sinh no sau y l hp chtgiu nng lng:a. Glucose-6-phosphat.b. Glycero phosphat.c. Glyceraldehyd 3-phosphat.d. 1,3 Diphospho glycerat.

Cu 45: S kh carboxyl oxy ho pyruvat cn c:

a. Coenzym A.b. Pyridoxat phosphatc. NADP+d. Acetyl- CoACu 47: S bin i ca G6P thnh F1,6 DP cn c cenzym sau:a. Phosphoglucomutase v Phosphorylase.b. Phosphoglucomutase v Aldolase.c. Phospho hesoxe isomerase v phospho fructokinas

d. Phospho hesoxe isomerase v Aldolase.Cu 48: Enzym sau y c tm thy trong con nHexose monophosphat:a. Glucose -6- phosphatase.b. Phosphorylase.c. Aldolase.d. Glucose -6- phosphat dehydrogenaseCu 49: Coenzym ca enzym Dehydrogenase trong cong Hesoxe monophosphat l:a. NAD c hiu.b. NADP c hiu

c. FAD c hiu.d. FMN c hiu.Cu 50: Mt cht quan trng tham gia vo s bin phn ln glucose thnh glucogen gan l:a. Pyruvat kinase.b. Citidin triphosphat.c. Glucose phosphat dehydrogenase.d. Uridin triphosphatCu 51: S oxy ho glucose trong iu kin hiu khtin hnh qua trung gian:a. Chu trnh Ur.

b. Chu trnh acid tricarboxylicc. Con ng pentose phosphat.d. Chu trnh acid CitricCu 52: oxy ho hon ton 1 n v glucosyl caglycogen qua chu trnh acid citric, c bao nhiu lin kgiu nng lng di dng ATP c to ra?a. 12.b. 35.c. 8.d. 38Cu 53: Hin tng to lactac t glucose cc t ch

c gi l:a. ng phn ym kh.b. S lactac ho.c. S oxy ho.d. S phosphoryl oxy ho.Cu 56: S bin i ca F6P thnh F1,6DP cn c:a.. Aldolase.b. Hexokinase.c. Phospho fructo kinased. Glucose oxidase.


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Cu 62 : MS l :a.Hp cht hu ctrong phn t c C , H, O , Nb. Hp cht hu cc th b thy phnc. Nhng aldehyd alcol hoc Ceto alcold. Nhng poly alcolCu 63 : Nhm gm nhng pentoz l:a.Fructoz - Pentozb. Fructoz - Maltozc. Saccaroz - Fructoz

d. Desoxyriboz - RibozCu 64 : c gi l ng sa l ng :a. Lactozb. Galactozc. Glucozd. FructozCu 65: Lactoz c to thnh t:a. Glucoz - Fructozb. Glucoz - Galactozc. Galactoz - Glucozd. Fructoz - Mannoz

Cu 66 : Cht c xp vo loi Polysaccarid tp l :a.Tinh btb. Heparinc. Glycogend. CellulozCu 67 : ng c tnh kh l :a.Tinh btb. Saccharozc. Glucozd. PolysaccharidCu 68 : ng thuc nhm Disaccarid l :

a.Glucozb.Glycogenc. Lactozd. Fructoz

+ nH2OCu 69 : Phn ng : Tinh bt -----------> Maltoz + 1 tGlucoz c xc tc bi enzym :a.Pepsinb. Pepsinogenc. Lipazd. Amylaz

Cu 70 : Thoi ha glucid theo con ng HDP l to :a.CO2 ,H2Ob. Polysaccharid tpc. Nng lng ,CO2 ,H2Od. Riboz PCu 71 : 2 phn ng : Glycogen ----> Glucoz 1 P ---->Glucoz 6 P c xc tc bi tp hp enzym :a. Glucokinaz , G6P isomerazb. Hexokinaz , G6P isomerazc. Phosphorylaz , Phosphoglucomutazd. Aldolaz , Phosphorylaz

Cu 75 : Enzym to lin kt 1,4 trong phn t Glycog:a.Phosphorylazb. Enzym to nhnhc. Glycogen synthetazd. G -6 -phosphatazCu 76 : Enzym ct nhnh l :a.Phosphorylazb. Amylo 1,6 glucosidaz

c. Aldolazd. G 6 phosphatazCu 77 : Enzym Glucoz 6 phosphataz KHNG C:a.Ganb. Noc. Hng cud. Thn kinhCu 78 : Khi n Fructoz qu nhiu , iu no sau yKHNG NG :a. Fructoz khng c thi qua nc tiu v khng

lc qua cu thnb. c chuyn ha thnh glycogen d trc. C th lm tng ng huytd. c chuyn thnh Fructo-6-phosphat ch yu nhHexokinaz .Cu 79 : Th hin mi quan h gia chuyn ha GluciProtid l cht :a.Fumaratb.Aspartatc.Oxaloacetatd. -Cetoglutarat

Cu 80 : Lactoz -----> Glucoz + Fructoz , Phn ng c xc tc bi enzym :a.Maltazb. Amylazc. Lactazd. Saccharaz20 Cu hi ho sinh: Acid nucleic, sinh tng hpprotein..Block vn ng 10-2009 gi Bs.Nguyn

1.Mi ADN c c trng bi:

A.Cu to ca riboseB.Cc gc phosphatC.Lin kt hydro gia cc baseD.Trnh t cc nucleotid.@

2.ADN ca mi loi khc nhau v:A.S phn t v di ca chui.B.Dng thng hay vng ca ADNC.Trnh t cc base c trng cho mi ADN.D.Tt c cc c tnh trn.@


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3.Loi ARN chim nhiu nht trong cc ARN ca t bol:A.ARN thng tinB.ARN [email protected] vn chuynD.Khng loi no k trn

4.c im chung ca ARN vn chuyn l:A.Gm 4 cnh tay chnh.

B.C tn cng l chui C-C-A (5->3) cnh tay nhn.C.Cha nhm anticodon gm 3 nucleotid tng ng vicodon trn mARN.D.Tt c nhng c im trn.@CHUYN HO ACID NUCLEIC.5.Thu phn acid ribonucleic bng acid s cho nhng snphm chnh sau:A.D-deoxyribose, cytosin, adenin.B.D-ribose, thymin, guanin.C.D-ribose, cytosin, uracil, thymin.D.D-ribose, cytosin, uracil, adenin, guanin.@

6.Thu phn hon ton acid ribonucleic bng acid s chott c nhng cht sau,TR:A.Acid phosphoric.B.Purin, Adenin.C.ng 5 [email protected] no sau y c trong ARN nhng khng c trongADN.A.Thymin.B.Cytocin.C.Uracil.@

D.Guanin, Adenin.8.Acid inosinic l tin cht tng hp:A.Acid orotic v uridylic.B.Acid adenylic v [email protected] v pyrimidin.D.Uracin v thymin.9.Sn phm thoi ho ch yu ca chuyn ho purin l:A.Allantoin.B. ure.C.Ammoniac.D.Acid uric.@

10.C mt acid amin hai ln tham gia vo qu trnh tnghp nhn purin ca purin nucleotid l:[email protected] 11: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Gen cu trc ca t bo nhn tht c nhng on mha l exon v nhng on khng m ha l intron.b. Khi chuyn m cc exon v intron u c dng l

khun v ARNm tin thn c to thnh.

c. Sau khi c tng hp protein cn c nhng bin nh to lin kt disulfua, t xon cun, hydroxyl ha, thm glucid d. Erythromycin c ch giai on kt thc ca s tnghp protein vi khun@Cu 12: Gien khi ng c k hiu l :a. P@b. Oc. R

d. SCu 13: Trong qu trnh sinh tng hp protein:a. Gen nm ARNm cha cc thng tin di truyn (TTDb. Gen nm ARNt cha cc TTDTc. Gen nm ADN cha cc TTDT@d. Gen nm ARNr cha cc TTDT

Cu 14: Trong qu trnh sinh tng hp protein:a. ADN khng trc tip tham gia tng hp protein nhn quyt nh cu trc c hiu ca Protein c tnghp@

b. ADN trc tip tham gia tng hp Proteinc. ARNm l cht liu bo qun thng tin di truynd. ARNr l cht liu bo qun thng tin di truyn

Cu 15: Vn chuyn AA n ni tng hp Protein vm l vai tr ca:a. ARNrb. ARNmc. ARNt @d. ADNCu 16: Trong s hot ha v chuyn vn AA to p

hp aa - ARNta. Khng cn ATPb. Cn 2 ATP hot hac. Cn 1 ATP hot ha@d. Cn Mn2+Cu 17: Vic c m c thc hin do :a. ADNb. ARNmc. ARNrd. ARNt@Cu 18: M mu l :

a. AUCb. AUG@c. ACUd. UCUCu 19: S tng hp protein Ribosom xy ra gm mgiai on ?a. 1b. 2c. 3@d. 4


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Cu 20 : M kt thc l :a. UCCb. AGAc. CACd. UAA@Cu 1 .Coenzym u tin tham gia chuyn in t trong

chui h hp t bo l:a. Cyt.ab. Cyt c

c. Cyt b@d. Cyt c1Cu 2. Coenzym u tin tham gia oxy ha acid pyruvic

trong chui h hp t bo l:a. NADb. FADc. NADPd. LTPP@

Cu 3. Coenzym tham gia u tin vic tch hydro ca ccht glutamat:

a. FADb. NADP+c. Co Qd. NAD+@

Cu 4. Cht ngn chn chui h hp t bo giai onchuyn in t v hydro n CoQ l :a. Malonatb. Rotenon@c. CNd. CO

Cu 5. Cht KHNG PHI l cht trung gian trong chutrnh acid citric:a. Acid pyruvic@b. Acid oxaloaceticc. Acid oxalosuccinicd. Acid cis-acotinic

Cu 6. Nng lng t do tch tr trong phn t ATP dngcho :a. Tng hp ha hc, hot ng nhit v chc

b. Hot ng nhit v chc,hot ng in,c. Hot ng in ,Tng hp ha hcd. Hot ng nhit v chc , tng hp ha hc,hot ngin@

Cu 7. Kh carboxyl oxy ha cetoglutaric cn c stham gia ca:a. NADPb. Acetyl coAc. Acid lipoic@d. Acid pyruvic

Cu 8. Acid citric c bin i thnh cetoglutarictrong chu trnh Krebs cn h thng enzym sau:a. Isocitrat dehydrogenase + cetoglutarat dehydrogeb. Succinat dehydrogenase + Aconitase +Oxalosuccin

dehydrogenasec. Aconitase + isocitrat dehydrogenase + oxalosuccina

dehydrogenase@d. Oxalosuccinat dehydrogenase + Succinat

dehydrogenase

Cu 9. Cht KHNG PHI l dng tch tr nng lca cthng vt l :

a. Acyl phosphatb. Enol phosphatc. Pyrophosphatd.Hexosephosphat@

Cu 10. Di s xc tc ca enzym ngng t , acetyl kt hp vi oxaloacetic s to thnh:

a. Acid oxalocitraconat

b. Acid succinicc. Acid citric@d. Acid oxalosuccinicXUC TAC SINH HOCCu 5 : Tt c cc enzym u c bn cht l :+a. Vitaminb. Proteinc. Cng td. Coenzym A

Cu 6: V tr trao i hydro ca coenzym NAD+:+

a. Adeninb. D Ribasec. Nicotinamidd. Dinucleotid

Cu 9: Cc dehydrogenase s dng tt c cc coensau y NGAI TR:+a. NAD+

b. NADD+c. FADd. CoA

CHUYN HA NNG LNG SINH HC

Cu 1 .Coenzym u tin tham gia chuyn in t trochui h hp t bo l:

a. Cyt.ab. Cyt cc. Cyt b@d. Cyt c1


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Cu 2. Coenzym u tin tham gia oxy ha acid pyruvictrong chui h hp t bo l:

a. NADb. FADc. NADPd. LTPP@

Cu 3. Coenzym tham gia u tin vic tch hydro ca ccht glutamat:

a. FADb. NADP+c. Co Qd. NAD+@

Cu 4. Cht ngn chn chui h hp t bo giai onchuyn in t v hydro n CoQ l :a. Malonatb. Rotenon@c. CNd. CO

Cu 5. Cht KHNG PHI l cht trung gian trong chutrnh acid citric:a. Acid pyruvic@b. Acid oxaloaceticc. Acid oxalosuccinicd. Acid cis-acotinic

Cu 6. Nng lng t do tch tr trong phn t ATP dngcho :a. Tng hp ha hc, hot ng nhit v chc

b. Hot ng nhit v chc,hot ng in,c. Hot ng in ,Tng hp ha hcd. Hot ng nhit v chc , tng hp ha hc,hot ngin@

Cu 7. Kh carboxyl oxy ha cetoglutaric cn c stham gia ca:a. NADPb. Acetyl coAc. Acid lipoic@d. Acid pyruvic

Cu 8. Acid citric c bin i thnh cetoglutarictrong chu trnh Krebs cn h thng enzym sau:a. Isocitrat dehydrogenase + cetoglutarat dehydrogenaseb. Succinat dehydrogenase + Aconitase +Oxalosuccinat

dehydrogenasec. Aconitase + isocitrat dehydrogenase + oxalosuccinat


dehydrogenase

Cu 9. Cht KHNG PHI l dng tch tr nng lca cthng vt l :

a. Acyl phosphatb. Enol phosphatc. Pyrophosphatd.Hexosephosphat@

Cu 10. Di s xc tc ca enzym ngng t , acetyl kt hp vi oxaloacetic s to thnh:

a. Acid oxalocitraconatb. Acid succinicc. Acid citric@d. Acid oxalosuccinic

Cu 11. Phn ng no KHNG THY trong chu trnacid citric ?a. Phn ng hydrat ha cis-aconitat thnh isocitratb. Phn ng kh nc acid citric to acid cis-aconiticc. Phn ng oxy ha kh carboxyl acid cetoglutaricsuccinyl CoA

d. Phn ng kh carboxyl acid citric to acidoxalosuccinic@

Cu 12. Chu trnh acid tricarboxylic CHN CU SAa. Oxy ha mt phn t pyruvat cn 5 nguyn t oxyb. Carbohydrat, lipid v acid amin c thc oxy hthng qua chu trnh C. Krebsc. Acetat ch c thi vo chu trnh di dng acetyl Cd. Chu trnh ch xy ra trong iu kin ym kh@

Cu 13. Yu t cn thit to acetat hot ng t

pyruvat l:a. Adenyl acetat.b. NADPc. Lipothiamid diphosphat@d. Enym ngng t.

Cu 14. Cytochrom l:a. Nucleotid cha Riboflavin.b. Nucleotid pyridinc. Protein cha porphyrin - st@d. Flavoprotein cha kim loi.

Cu 15. Thnh phn cu to quan trng nht caFlavoprotein tham gia vo chui h hp t bl:

a. Vitamin A.b. Vitamin B1.c. Vitamin B2@d. Vitamin B6.

Cu 16. Nguyn t tham gia trong cu trc ca cytocrl:

a. Mg.


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b. Cu.c. Fe@d. Zn.

Cu 17. Enzym KHNG c tr trong ty th t bo l:a. Cytochrome oxidase.b. Succinat dehydrogenase.c. Aconitase.d. Chymotrypsin@

Cu 18. Ccht c hiu trong qu trnh phosphoryl oxyho l:

a. AMP.b. ADP@c. UDP.d. NAD.

Cu 19. Qu trnh sinh ra hay tch lu nng lng linquan n s h hp t bo hiu khc biu th

bng:a. Con ng Emddem Meyerhoff.b. S phosphoryl ho mc ccht.c. Hin tng khng ghp i ca s phosphoryl ho.d. T s P/O@

Cu 20. S ph ghp ca qu trnh phosphoryl ho oxyho l hin tng trong :a. Hot tnh ca ATPase trong ty th b mt.b. ty th khng xy ra s oxy ho ccht ca chu trnhKrebs.

c. S to ATP ngng nhng qu trnh h hp vn tiptc@d. S to ATP vn xy ra trong khi chui h hp b ngng.

Cu 21. Xc tc vn chuyn in t gia NADH vubiquinon yu cu c s tham gia ca mtcoenzym l:

a. NADP.b. Flavoprotein@c. Cytochrom C1.d. Cytochrom a.

Cu 22. Qu trnh chuyn in t t Cytocrom b tip theocho:a. Cyt a.b. Cyt a3.c. Cyt c.d. Cyt C1@

Cu 23. Trong chui h hp t bo di, hydro u tinchuyn n:a. NAD+.

b. FAD.

c. LTPP@d. NADP+.

Cu 24. Trong chui h hp t bo ngn, hydro u tichuyn n:a. Flavoprotein@b. Nicotinamid adenin dinucleotid.c. Nicotinamid adenin dinucleotid phosphat.d. Lipo thiamin pyrophosphat.

Cu 25. CO v CN c ch chui h hp t bo v tra. Phc hp I (FMN, Fe).b. Phc hp II (FAD, Fe).c. Phc hp III (Cyt b, FeS, Cyt C1).d. Phc hp IV (Cyt a, Cyt a3)@

Cu 26. Pyruvat v cetoglutarat cn s xc tc bidehydrogenase c coenzym giai on u:a. FAD.b. NAD+.

c. Lipoat@d. FMN.

Cu 27. 3-hydroxybutyrat, glutamat, malat, isocitrat dehydrogenase xc tc giai on u trong chui ht bo c coenzym l:a. FAD.b. FMN.c. NAD+@d. NADP+.

Cu 28. T l P/O i vi s oxy ho cao nht l 4 vi cht:a. NADH2.b. Succinat.c. FADH2.d. Phosphoglyceraldehyd@

Cu 29: Antimycin c ch qu trnh chuyn in tan:a. Cytocrom b v cytocrom c1@b. Coenzym Q v cytocrom b

c. Cytocrobm c1 v cytocrom cd. Cytocrom c v cytocrom a

Cu 30: Trong chu trnh Krebs, sn phm u tin to ra khi acetyl CoA kt hp vi:a. Pyruvatb. Oxalosuccinatc. Oxaloacetat@d. cetoglutarat


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Cu 31: Trong chu trnh Krebs, giai on ch to c2ATP la. isocitrat cetoglutaratb. Citrat isocitratc. Succinyl Fumarat@d. Malat oxaloacetat

Cu 32: Arsenic km hm hot ng chu trnh Krebs giai on:

a. Tng hp citratb. Hnh thnh isocitratc. To thnh oxalosuccinatd. Succinyl CoA@

Cu 33: im iu ha quan trng u tin ca chu trnhKrebs xy ra vi :a. Fumaraseb. Malat dehydrogenasec. Citrat syntetase@d. Aconitase

Cu 34: Sn phm bnh thng ca chui h hp t bol :[email protected]

Cu 35 : Phn t c lin kt phosphat giu nng lng ,khithy phn s nng lng (calo)c gii phng ra l :a.1000c.> 5000@d.< 5000

Cu 36 : NADHH+ i vo CHHTB cung cp s ATP l :a. 1b. 2c. 3@d. 4

Cu 37 : V phng din nng lng , chu trnh Krebs c

ngha quan trng l v :a.Cung cp nhiu nng lng cho cthb.Cung cp nhiu ccht cho [email protected] cp nhiu sn phm trung gian cn thitd.L trung tm iu ha chuyn ha cc chtCu 38: Phn ng : R- R + HOH ROH + RHc xc tc bi enzym :[email protected]

Cu 39 : Bn cht ca s h hp t bo l :a.Phosphoryl ha cc chtb. Hot ha cc chtc. S dng oxy gii phng CO2d. S dng oxy ,oxy ha cc cht hu cgii phng CH2O v nng lng@

Cu 40 : Cht c th nng oxy ha kh thp nht l :

a.Coenzym Qb. Oxy@c. Cyt ad. NAD

Cu 41 : Cytocrom KHNG L :a. Protein c nhm ph l nhn porphyrin c cha ionFe2+.b. Enzym oxyha khc. Enzym vn chuyn hydro@d. Enzym vn chuyn in t

Cu 42 : Phn ng :RH + HO - PO3 H2 ---> R - PO3+ H2O l loi phn ng :a.Oxy hab. Thy phnc. Kh phosphoryld. Phosphoryl ha@

Cu 43 : ATP l :a.Acid triphosphoricb. Acid monocarboxylic

c. Adenosin triphosphat@d. Adenosin diphosphat

Cu 44 : Phn ng ADP + H3PO4 ----> ATP + H2O ln vai tr g ca s phosphoryl ha :a.Oxy ha cc chtb. Tch tr nng lng@c. Hot ha cc chtd. Vn chuyn nng lng

Cu 45 : KHNG PHI l cht chuyn ha trung gia

trong chu trnh Krebs :a.Oxalo succinatb. Pyruvat@c. Cis aconitatd. Malat

Cu 46 : Khi mt phn t acid pyruvic thoi ha thnCO2 v H2O , s ATP c to ra l :a. 10b. 12c. 15@

d. 24


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Cu 47 : Mt mu Acetyl CoA i qua chu trnh Krebs toc s ATP l :a. 3b. 12@c. 13d. 124

Cu 48 : Trong chu trnh Krebs , ccht cung cp Hydro

cho chui HHTB l :a. Citrat , isocitratb. Isocitrat , Oxalo succinatc. -Cetoglutarat , Succinat@d. Succinat , Fumarat

Cu 49 : KHNG PHI l cht chuyn ha trung giantrong chu trnh Krebs:a. Oxaloacetatb. Oxalosuccinatc. Cis aconitat

d. Pyruvat@

Cu 50 : Cht KHNG C lin kt phosphat giu nnglng l :a. Acetyl CoAb. Creatin phosphatc. Hexophosphat@d. ATP

NG SAI

Cu 1 : Mt phn t acetyl CoA c oxy ha trong chutrnh Krebs to ra c 12 ATP.a. ng@b. SaiCu 2 : Phn ng Oxy ha l phn ng cho in t . Phnng kh l phn ng nhn in t .a. ngb. Sai@Cu 3 : Mt phn ng bin thin nng lng t do chunln hn 0 lun lun pht nnga.ng

b. Sai@

Cu 4 : Mt phn ng c bin thin nng lng t do lnhn 0 lun lun pht nnga.ngb.Sai @

Cu 5 : Chiu ca phn ng ph thuc vo bn cht viu kin c th ca phn ng.a.ng@b. Sai

Cu 6 : Phn nng lng t bo khng s dng c gnng lng t do .a.ngb. Sai @

Cu 7 : Trong chui h hp t bo , cht no c th noxy ha kh ln hn s oxy ha cht c th nng oxy kh thp hn .a.ng @

b.Sai

Cu 8 : E0 l th nng oxy ha kh chun o c kin pH =7 v nhit [email protected]

Cu 9 : Nng lng t do ca mt hp cht bin thinthun vi entropy ca hp cht .a.ngb. Sai@

Cu 10 :Lin kt carboxyl ester l lin kt giu nng l.a.ngb.Sai @ THI HO SINH-SINH VIN DC 2008- 2Ds.nh )(Glucid, Xc tc sinh hc, Chuyn ho nng lng, tng hp protein)

Cu 1: Glucose l mt :

a. Oligosaccarid

b. Aldohexose@c. Aldopentosed. Cetohexose

Cu 2: Fructose l mt :a. Oligosaccarid

b. Aldohexosec. Aldopentose

d. Cetohexose@

Cu 3: Cht c hot tnh quang hc:a. L mt carbohydratb. C cu to i xngc. L cht v cd. C cu to bt i@Cu 4: Sn phm ca thy phn ng n la. Fructose v galactoseb. Galactose v glucosec. Maltose v glucose

d. Fructose v glucose@


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Cu 5: Glucose trong t bo c thoi ha di dng:a. Gluconatb. GlPc. G6P@d. SulfatCu 6: ngha ca con ng pentose l:a. Cung cp phn ln nng lng cho cthb. Cung cp NADPH tham gia vo qu trnh oxy ha tbo

c. Cung cp NADPH to ATPd. Cung cp ribose 5 phosphat l tin cht tng hpnucleotid v acid nucleic@Cu 7: Trong cth ,Glycogen l cht:a. c tng hp mi t chc tr gan v xng.b. ng vai tr d tr v iu ha ng huyt.c. dng thoi ha cung cp ATP cho s co c@d. dng thoi ha cung cp nng lng cho t bo ganhot ng.Cu 8: Insulin gy hng huyt l do :a. c ch s gia nhp Glucose vo t chc.

b. kch thch mnh s gia nhp Glucose vo t chc@c. c ch chu trnh Pentose.d. c ch cc enzym kinase trong con ng ng phn.Cu 9: Glucose l cht :a. Bnh thng khng i qua c cu thnb. Chc ti hp th mt phn ng thn.c. C ngng thn l 170 180 mg/dl@d. Bnh thng chim mt lng nh (khong 1 g) trongnc tiuCu 10: Cht trung gian ha sinh no sau y l hp chtgiu nng lng:

a. Glucose-6-phosphat.b. Glycero phosphat.c. Glyceraldehyd 3-phosphat.d. 1,3 Diphospho glycerat. @Cu 11: M cha tng lng Glycogen cao nht l :a. C. @b. No.c. Thn.d. Thn kinh.Cu 12: oxy ho hon ton 1 n v glucosyl caglycogen qua chu trnh acid citric, c bao nhiu lin kt

giu nng lng di dng ATP c to ra?a. 12.b. 35.c. 8.d. 38@Cu 13: S bin i ca F6P thnh F1,6DP cn c:a.. Aldolase.b. Hexokinase.c. Phospho fructo kinase@d. Glucose oxidase.Cu 14 : Thoi ha glucid theo con ng HDP l to :

a.CO2 ,H2O

b. Polysaccharid tpc. Nng lng ,CO2 ,H2O@d. Riboz PCu 15: Amino transferase c coenzym:a. Acid pantophenicb. Acid folicc. Pyridoxal phosphat@d. Thiamin pyrophosphatCu 16 : Tp hp cc enzym KHNG CN c coenz

:a. Peptidaz , Trypsin , Aminotransferazb. Chymotrypsin , pepsin , Amylaz@c. Maltaz , Chymptrypsin , Lyazd. Lactatdehydrogenaz, Lyaz, pepsinCu 17 : Tt c cc enzym u c bn cht l :a. Vitaminb. Protein@c. Cng td. Coenzym ACu 18: V tr trao i hydro ca coenzym NAD+:

a. Adeninb. D Ribasec. Nicotinamid @d. DinucleotidCu 19: Phn ng sau y c trng cho loi men no

2H2O2 2H2O + O2a. Peroxidaseb. Catalase@c. Dehydrogenased. Oxydase cha ng

Cu 20: Cc dehydrogenase s dng tt c cc coensau y NGAI TR:a. NAD+

b. NADD+c. FADd. CoA@Cu 21: Trung tm xc tc phn ng ha hc ca enl:a. Trung tm d lp thb. Trung tm hot ng@c. Trung tm iu chnh m

d. Trung tm iu chnh dngCu 22: Sinh tng hp coenzym A cn c:a. Vitamin B1b. Vitamin B6c. Pyruvat Kinased. Acid pantothenic@Cu 23 : Coenzyme A cha Vitamin:a.Riboflavinb. Acd pantothenic@c. Pyridoxald. Thiamin


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Cu 24 : Trong phn ng enzym ,Coenzyme c sdng vi chc nng :a. Quyt nh tnh c hiu ca Apoenzymb. Lm tng s trung tm hot ng ca Apoenzymc. Hot ha cchtd. Trc tip vn chuyn in t , hydro v cc nhm hahc trong cc phn ng@

Cu 25: Enzym phn ct l:

a. Dehydrogenaseb. Glycosyl transferasec. Lactat dehydrogenased. Aldolase@Cu 26 .Coenzym u tin tham gia chuyn in t trong

chui h hp t bo l:a. Cyt.ab. Cyt cc. Cyt b@d. Cyt c1Cu 27. Coenzym tham gia u tin vic tch hydro ca

ccht glutamat:a. FADb. NADP+c. Co Qd. NAD+@Cu 28. Cht KHNG PHI l cht trung gian trong chutrnh acid citric:a. Acid pyruvic@b. Acid oxaloaceticc. Acid oxalosuccinicd. Acid cis-acotinic

Cu 29. Acid citric c bin i thnh cetoglutarictrong chu trnh Krebs cn h thng enzym sau:a. Isocitrat dehydrogenase + cetoglutarat dehydrogenaseb. Succinat dehydrogenase + Aconitase +Oxalosuccinat

dehydrogenasec. Aconitase + isocitrat dehydrogenase + oxalosuccinat


dehydrogenaseCu 30. Di s xc tc ca enzym ngng t , acetyl CoA

kt hp vi oxaloacetic s to thnh:

a. Acid oxalocitraconatb. Acid succinicc. Acid citric@d. Acid oxalosuccinicCu 31. Phn ng no KHNG THY trong chu trnhacid citric ?a. Phn ng hydrat ha cis-aconitat thnh isocitratb. Phn ng kh nc acid citric to acid cis-aconiticc. Phn ng oxy ha kh carboxyl acid cetoglutaric tosuccinyl CoAd. Phn ng kh carboxyl acid citric to acid

oxalosuccinic@

Cu 32. Cytochrom l:a. Nucleotid cha Riboflavin.b. Nucleotid pyridinc. Protein cha porphyrin - st@d. Flavoprotein cha kim loi.

Cu 33. Ccht c hiu trong qu trnh phosphoryl ho l:

a. AMP.b. ADP@c. UDP.d. NAD.Cu 34. Xc tc vn chuyn in t gia NADH v

ubiquinon yu cu c s tham gia ca mtcoenzym l:

a. NADP.b. Flavoprotein@c. Cytochrom C1.d. Cytochrom a.

Cu 35. Qu trnh chuyn in t t Cytocrom b tip cho:a. Cyt a.b. Cyt a3.c. Cyt c.d. Cyt C1@

Cu 36: Trong chu trnh Krebs, giai on ch to2ATP la. isocitrat cetoglutarat

b. Citrat isocitratc. Succinyl Fumarat@d. Malat oxaloacetatCu 37 : NADHH+ i vo CHHTB cung cp s ATPa. 1b. 2c. 3@d. 4Cu 38 : V phng din nng lng , chu trnh Kreb ngha quan trng l v :a.Cung cp nhiu nng lng cho cth

b.Cung cp nhiu ccht cho [email protected] cp nhiu sn phm trung gian cn thitd.L trung tm iu ha chuyn ha cc cht

Cu 39: Phn ng : R- R + HOH ROH + Rc xc tc bi enzym :[email protected]


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Cu 40 : Bn cht ca s h hp t bo l :a.Phosphoryl ha cc chtb. Hot ha cc chtc. S dng oxy gii phng CO2d. S dng oxy ,oxy ha cc cht hu cgii phng CO2,H2O v nng lng@

Cu 41 : Cht c th nng oxy ha kh thp nht l :a.Coenzym Q

b. Oxy@c. Cyt ad. NAD

Cu 42 : Cytocrom KHNG L :a. Protein c nhm ph l nhn porphyrin c cha ionFe2+.b. Enzym oxyha khc. Enzym vn chuyn hydro@d. Enzym vn chuyn in t

Cu 43 : Phn ng :RH + HO - PO3 H2 ---> R - PO3 - H2+ H2O l loi phn ng :a.Oxy hab. Thy phnc. Kh phosphoryld. Phosphoryl ha@

Cu 44 : ATP l :a.Acid triphosphoricb. Acid monocarboxylicc. Adenosin triphosphat@

d. Adenosin diphosphat

Cu 45 : Phn ng ADP + H3PO4 ----> ATP + H2O niln vai tr g ca s phosphoryl ha :a.Oxy ha cc chtb. Tch tr nng lng@c. Hot ha cc chtd. Vn chuyn nng lngCu 46 : Mt mu Acetyl CoA i qua chu trnh Krebs toc s ATP l :a. 3

b. 12@c. 13d. 124

Cu 47 : Trong chu trnh Krebs , ccht cung cp Hydrocho chui HHTB l :a. Citrat , isocitratb. Isocitrat , Oxalo succinatc. -Cetoglutarat , Succinat@d. Succinat , FumaratCu 48: Hormon c coi l cht xc tc sinh hc v :

a. Chng hot ng nng 10-1

10-2

mol/l

b. C thi gian bn thi trong huyt tng khongngyc. Xc tc c hiu cho 1 phn ng chuyn had. Xc tc nhiu phn ng chuyn ha ca cth@Cu 49: Receptor cm th hormon ca t bo ch cim sau ging protein vn chuyn huyt tng:a. C kh nng truyn tn hiub. C mt ngang nhau trong t boc. C kh nng gn hormon@

d. C th lu gi hormon trong mu

Cu 50 : M kt thc l :a. UCCb. AGAc. CACd. UAA@

HA HC V CHUYN HA

GLUCID

Cu 1: Glucose l mt :a. Oligosaccarid

b. Aldohexose@c. Aldopentosed. Cetohexose

Cu 2: Fructose l mt :a. Oligosaccarid

b. Aldohexosec. Aldopentosed. Cetohexose@

Cu 3: Alcol c cu to carbua vng l:a. Sorbitolb. D - Arabinofuranosec. Inositol@d. Metylglucosid

Cu 4: Cht c hot tnh quang hc:a. L mt carbohydratb. C cu to i xngc. L cht v cd. C cu to bt i@

Cu 5: S sp xp cc ng theo cu hnh D v L lvo tnh cht ging vi D v L ca :a. Glyceraldehyd@b. Acid tactricc. Glucose

d. Ribose


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Cu 6: Glucose v Mannose l nhng epimer, c ngha l :a. Chng l nhng hnh nh i xng nhau qua gngb. Mt cht l Aldose v cht kia l Cetosec. Mt cht l pyranose v cht kia l furanosed. Chng ch khc nhau v cu hnh ca mt nguyn tC@

Cu 7: Polysaccarid no KHNG PHI l polymer ca

glucose :a. Amyloseb. Inulin@c. Glycogend. Amilopectin

Cu 8: Sn phm ca thy phn ng n la. Fructose v galactoseb. Galactose v glucosec. Maltose v glucosed. Fructose v glucose@

Cu 9: Hin tng bin i ln nhau ca 2 loi ng phnlp th ca glucose trong dung dch nc cho hn hpcn bng c gi l :a. Hin tng phn ccb. Hin tng lng tnhc. Hin tng ng phn quang hcd. Hin tng chuyn quay@

Cu 10: Tinh bt v glycogen u l nhng polymer ca :a. Fructose

b. Mannosec. Glucose@d. Sorbose

Cu 11: Sn phm thy phn cui cng ca glycogen bngacid l :a. Amylopectinb. Dextrinc. Glucose@d. Maltose

Cu 12: ng quan trng tham gia vo thnh phn canucleotid v acid nucleic l :a. Hexoseb. Sedoheptulosec. Triosed. Pentose@

Cu 13: Galactosamin tham gia cu to ca :a. Heparinb. Acid hyaluronicc. Chondroitin sulfat@

d. Glycogen

Cu 14: Sn phm ca s kh ha glucose l :a. Ribitolb. Sorbitol@c. Mannitold. Inositol

Cu 15: Sn phm oxy ha C1 ca glucose l :a. Gluconat@

b. Glucuronatc. Iduronatd. Ascorbat

Cu 16: Cht KHNG PHI Mucopolysaccarid l:a. Acid hyaluronicb. Heparinc. Glycosaminoglycand. Proteoglycan@

Cu 17: Lactose c tn ha hc l :

a. O..D Glucopyranosyl ( 1 4 ) glucopyranoseb. O..D Galactopyranosyl ( 1 4 ) glucopyranose@c. O..D Glucopyranosyl ( 1 2 ) fructofuranosed. .D ribofuranose

Cu 18: Pyranose l :a. Aldopentose c cu oxy gia C1 v C4b. Cetohexose c cu oxy gia C2 v C4

c. Aldohexose c cu oxy gia C1 v C4d. Aldohexose c cu oxy gia C1 v C5@

Cu 19: Anomer l :a. Aldohexose c cu oxy gia C1 v C5b. Cc hn hp acetalc. Nhng ng phn v -D glucose v tr C1nhm carboxyl@d. Aldopentose c cu oxy gia C1 v C4

Cu 20: Cht dn xut ca acid neuraminic l:

a. Galactosaminb. Acid ascorbicc. Glucosamind. Acid sialic@

Cu 21: Glucose trong t bo c thoi ha di dna. Gluconatb. GlPc. G6P@d. Sulfat


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Cu 22: Vai tr ca Phosphofructokinase l l:a. Xc tc l phn ng thun nghch trong t bob. Xc tc phn ng chuyn nhm P t ATP ti F6P to F1, 6DP@c. Xc tc s to thnh F2, 6DP t F6Pd. Xc tc phn ng phosphoryl ha ln l ca Glucosetrong con ng ng phn

Cu 23: Phn ng oxy ha GAP 1,3 DPG c xc

tc bi enzym:a. Phosphoglycerat mutaseb. Enolasec. Glyceraldehyd 3 phosphat dehydrogenase@d. Phosphoglycerat kinase

Cu 24: Nng ca 2,3 DPG:a. Khng c vai tr iu ha vn chuyn O2 bi Hbb. Khng bnh hng do thiu enzym bm sinhc. Gim do thiu pyruvat kinased. Gim do thiu Hexo kinase@

Cu 25: hng cu qu trnh ng phn lun to ralactat v:a. Hng cu bao gicng trong tnh trng ym khb. Hng cu tiu th t nng lngc. Hng cu c nhiu LDH hnd. Hng cu khng c h enzym ca ty th cn cho s oxyha pyruvat trong iukin hiu kh@

Cu 26: ngha ca con ng ng phn l:

a. t c ngha v mt nng lngb. Cung cp NADPH2 cho cc qu trnh sinh tng hpc. Cung cp glucose cho mu iu ha ng huytd. Cung cp nng lng di dng nhit@

Cu 27: ngha ca con ng pentose l:a. Cung cp phn ln nng lng cho cthb. Cung cp NADPH tham gia vo qu trnh oxy ha tboc. Cung cp NADPH to ATPd. Cung cp ribose 5 phosphat l tin cht tng hp

nucleotid v acid nucleic@Cu 28: Con ng to acid Uronic v Ascorbic:a. Xy ra thn v nob. Tiu th mt lng ln Glucosec. C tnh cht sng cn i vi cth@d. t quan trng i vi cth

Cu 29: Enzym KHNG Cgan l:a. Fructose 1-6 Diphosphataseb. Glucose 6-phosphatasec. Uridyl Diphospho glucuronosyl transferase

d. Hexo kinase@

Cu 30: Glutamin l acid amin cho ng qua sn ptrung gian no ca chu trnh Krebs:a. Acetyl CoAb. Oxalo acetatc. -cetoglutarat@d. Succinyl CoA

Cu 31: Acetyl CoA KHNG bin i thnh pyruv

:a. Thiu ngun cung cp carbon.b. Phn ng xc tc bi pyruvat dehydrogenase l tnghch.c. Hai carbon ca Acetat gi nguyn vn khi votrnh Krebsd. Phn ng xc tc bi pyruvat dehydrogenase l kthun nghch@

Cu 32: Acid bo tham gia vo qu trnh tn to Glubng cch :

a. Gin tip cung cp mt lng ln ATP v NADH@b. Cung cp Acetyl-CoA bin i thnh Pyruvat.c. Cung cp Acetyl-CoA bin i thnh oxalo acetad. Vn chuyn Acid amin cho ng vo gan.

Cu 33: Trong cth ,Glycogen l cht:a. c tng hp mi t chc tr gan v xng.b. ng vai tr d tr v iu ha ng huyt.c. dng thoi ha cung cp ATP cho s co c@d. dng thoi ha cung cp nng lng cho t bohot ng.

Cu 34: Tng hp Glycogen trong trng hp KHC chui Glucan sn :a. Ch cn nguyn liu l cc gc Glucose t do.b. Cn phi c mt cht mi Protein@c. Khng cn s c mt ca UDPG.d. S dng mt enzym duy nht l glycogen Syntase.

Cu 35: S phosphoryl ha ca glucose thnh glucophosphat c:a. c xc tc bi Glucokinase.

b. c xc tc bi Hexo kinase@c. c xc tc bi Phospho gluco isomerase.d. Bc ch bi F6P.Cu 36: Gan ng vai tr iu ha ng huyt do :a. Gan khng cho Glucose t do i qua mng t bocch d dng.b. Nng Glucose huy t khng nh hng n ganc. Hexo kinase gan xc tc qu trnh thoi ha Glucung cp nng lng cho t bo.d. C h thng enzym c hiu gip phn ly glycogenng huyt h v thu np glucose t mu bin t

Glycogen d tr khi ng huyt tng@


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Cu 37: Insulin gy hng huyt l do :a. c ch s gia nhp Glucose vo t chc.b. kch thch mnh s gia nhp Glucose vo t chc@c. c ch chu trnh Pentose.d. c ch cc enzym kinase trong con ng ng phn.

Cu 38: Qu trnh d tr Glycogen gan c kim sotbi hormon

a. 17cetosteriodb. Epinephrinc. Progesterond. Estrogen@

Cu 39: Glucose l cht :a. Bnh thng khng i qua c cu thnb. Chc ti hp th mt phn ng thn.c. C ngng thn l 170 180 mg/dl@d. Bnh thng chim mt lng nh (khong 1 g) trongnc tiu

Cu 40: Trong qu trnh ng phn ym kh :a. Mt phn t Glucose tch trc tip thnh 2 phn tlactatb. C s tng hp tht s2 phn t ATP cho mi phn tglucose bin i thnh lactat@c. S dng mt phn t ATP giai on chun b.d. Phn ng xc tc bi hexokinase l phn ng thunnghchCu 41: Trong qu trnh ln men ru :a. Nhu cu v phosphat v cc sn trong phn ng xc

tc bi pyruvat kinase.b. Arsenat (AsO34) hot ng nh mt cht c ch v nkh Mg2+.c. Cc giai on t glucose ti pyruvat xy ra ging nhmi t chc ng vt@d. Khng c nhu cu I vI Pi, mI ngun phosphat udo ATP cung cp.Cu 42: Cc yu ty tng hp Amylose invitro l:a. G1P + Phosphorylase + UDP + cht mi + UDPG-glycogen.

b. G1P + ATP + Phosphorylase + cht mi + UDPG-glycogenc. G1P + UTP + Phosphorylase + cht mi + ATP .d. G1P + UTP + Phosphorylase + cht mi + UDPG-glycogen@

Cu 43: Bnh galactose huyt bm sinh tr em c ctrng bi :a. Nng ca UDPGal gan.b. S thiu Gal-1-P.c. Hot Gal-1-P Uridyl transferase rt thp trong hng

cu v gan. @

d. Phn ng chm ca Gal-1-P t o UDPGal.

Cu 44: Cht trung gian ha sinh no sau y l hpgiu nng lng:a. Glucose-6-phosphat.b. Glycero phosphat.c. Glyceraldehyd 3-phosphat.d. 1,3 Diphospho glycerat. @

Cu 45: S kh carboxyl oxy ho pyruvat cn c:a. Coenzym A. @b. Pyridoxat phosphatc. NADP+d. Acetyl- CoA

Cu 46: M cha tng lng Glycogen cao nht l :a. C. @b. No.c. Thn.d. Thn kinh.

Cu 47: S bin i ca G6P thnh F1,6 DP cn cenzym sau:a. Phosphoglucomutase v Phosphorylase.b. Phosphoglucomutase v Aldolase.c. Phospho hesoxe isomerase v phospho fructokinasd. Phospho hesoxe isomerase v Aldolase.Cu 48: Enzym sau y c tm thy trong con Hexose monophosphat:a. Glucose -6- phosphatase.b. Phosphorylase.

c. Aldolase.d. Glucose -6- phosphat dehydrogenase@Cu 49: Coenzym ca enzym Dehydrogenase trong cong Hesoxe monophosphat l:a. NAD c hiu.b. NADP c hiu@c. FAD c hiu.d. FMN c hiu.Cu 50: Mt cht quan trng tham gia vo s bin phn ln glucose thnh glucogen gan l:a. Pyruvat kinase.

b. Citidin triphosphat.c. Glucose phosphat dehydrogenase.d. Uridin triphosphat@

Cu 51: S oxy ho glucose trong iu kin hiu khtin hnh qua trung gian:a. Chu trnh Ur.b. Chu trnh acid tricarboxylic@c. Con ng pentose phosphat.d. Chu trnh acid Citric


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Cu 52: oxy ho hon ton 1 n v glucosyl caglycogen qua chu trnh acid citric, c bao nhiu lin ktgiu nng lng di dng ATP c to ra?a. 12.b. 35.c. 8.d. 38@

Cu 53: Hin tng to lactac t glucose cc t chc

c gi l:a. ng phn ym kh.@b. S lactac ho.c. S oxy ho.d. S phosphoryl oxy ho.

Cu 54: Glucid c tc hp th ln nht rut non l:a. Pentoseb. Hexose@c. Polysaccarid.d. Oligosaccarid.

Cu 55: Glycogen c bin i thnh Glucose-1-phosphat nhc:a. UDPG-transferase.b. Enzym gn nhnh.c. Phosphorylase@d. Dephospho phosphorylase kinase.

Cu 56: S bin i ca F6P thnh F1,6DP cn c:a.. Aldolase.b. Hexokinase.

c. Phospho fructo kinase@d. Glucose oxidase.

Cu 57: Trong iu kin ym kh, thoi ho 1 molGlucose cho:a. 1 mol ATP.b. 2 mol ATP@c. 8 mol ATP.d. 30 mol ATP.

Cu 58: Acid ascorbic l thnh phn cn thit trong thcn v ngi khng c enzym c tc dng :a. Thu phn acid UDP- uronic thnh UDP v acid uronic.b. Kh acid uronic thnh aldonic.c. Bin aldonic thnh lacton ca n.d. Oxy ho L- Gulonolacton thnh L- Ascorbic@Cu 59 : Khi ha tan vo nc , Glucoz c th :a.Chdng b. Chdng c. c dng , v dng thng@d. 2 dng v

Cu 60 : ngha con ng Hexoz monophosphat l a.Cung cp 60% tng nng lng cho cthb. Cung cp acid lacticc. Cung cp NADPH, H+d. Cung cp Pentoz 5P v NADPH,H+@

Cu 61 : Phn ng : Glucoz 6 phosphatb. Glucozkinazc. Glucoz 6 phosphataz@

d. Phospho glucomutaz----> Glucoz c xc tc bienzym :a. Hexokinaz

Cu 62 : MS l :a.Hp cht hu ctrong phn t c C , H, O , Nb. Hp cht hu cc th b thy phnc. Nhng aldehyd alcol hoc Ceto alcol@d. Nhng poly alcol

Cu 63 : Nhm gm nhng pentoz l:

a.Fructoz - Pentozb. Fructoz - Maltozc. Saccaroz - Fructozd. Deoxyriboz - Riboz@

Cu 64 : c gi l ng sa l ng :a. Lactoz@b. Galactozc. Glucozd. Fructoz

Cu 65: Lactoz c to thnh t:a. Glucoz - Fructozb. Glucoz - Galactozc. Galactoz - Glucoz@d. Fructoz - Mannoz

Cu 66 : Cht c xp vo loi Polysaccarid tp l :a.Tinh btb. Heparin@c. Glycogend. Celluloz

Cu 67 : ng c tnh kh l :a.Tinh btb. Saccharozc. Glucoz@d. Polysaccharid

Cu 68 : ng thuc nhm Disaccarid l :a.Glucozb.Glycogenc. Lactoz@

d. Fructoz


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+ nH2OCu 69 : Phn ng : Tinh bt -----------> Maltoz + 1 tGlucoz c xc tc bi enzym :a.Pepsinb. Pepsinogenc. Lipazd. Amylaz@

Cu 70 : Thoi ha glucid theo con ng HDP l to :

a.CO2 ,H2Ob. Polysaccharid tpc. Nng lng ,CO2 ,H2O@d. Riboz P

Cu 71 : 2 phn ng : Glycogen ----> Glucoz 1 P ---->Glucoz 6 P c xc tc bi tp hp enzym :a. Glucokinaz , G6P isomerazb. Hexokinaz , G6P isomerazc. Phosphorylaz , Phosphoglucomutaz@d. Aldolaz , Phosphorylaz

Cu 72 : Thoi ha mt phn t acid pyruvic thnh CO2v H2O to ra s ATP l :a. 10b. 12c. 15@d. 24

Cu 73 : Phn ng gii phng Glucoz t do c xc tcbi enzym :a.Phosphorylaz , Aldolaz

b. Phosphorylaz , Hexokinazc. Hexokinaz , Glucokinazd. Amylo 1 - 6 Glucosidaz , Glucoz 6 phosphataz@

Cu 74 : Gan c kh nng tng hp Glycogen t nhmcht no di y :a.Glucoz , acid lacticb. Cholesterol , Acetyl CoAc. Glucoz , Galactoz , Fructoz, glycerol ,pyruvatd. Glucoz , cc MS khc v tt c cc sn phm chuynha ca Glucid , Protid , Lipid@

Cu 75 : Enzym to lin kt 1,4 trong phn t Glycogen l:a.Phosphorylazb. Enzym to nhnhc. Glycogen synthetaz@d. G -6 -phosphataz

Cu 76 : Enzym ct nhnh l :a.Phosphorylazb. Amylo 1,6 glucosidaz@

c. Aldolaz

d. G 6 phosphataz

Cu 77 : Enzym Glucoz 6 phosphataz KHNG C:a.Ganb. Noc. Hng cud. Thn kinh@

Cu 78 : Khi n Fructoz qu nhiu , iu no sau yKHNG NG :a. Fructoz khng c thi qua nc tiu v khng lc qua cu thn@b. c chuyn ha thnh glycogen d trc. C th lm tng ng huytd. c chuyn thnh Fructo-6-phosphat ch yu nhHexokinaz .

Cu 79 : Th hin mi quan h gia chuyn ha GluciProtid l cht :

a.Fumaratb.Aspartatc.Oxaloacetatd. -Cetoglutarat@

Cu 80 : Lactoz -----> Glucoz + Fructoz , Phn ng c xc tc bi enzym :a.Maltazb. Amylazc. Lactaz@d. Saccharaz

HORMONCu 1: Hormon c coi l cht xc tc sinh hc v :a. Chng hot ng nng 10-1 10-2 mol/lb. C thi gian bn thi trong huyt tng khongngyc. Xc tc c hiu cho 1 phn ng chuyn had. Xc tc nhiu phn ng chuyn ha ca cth@

Cu 2: Tuyn ni tit KHNG C ngun gc t :a. Tinh hon v bung trng

b. T chc lin ktc. H thng thn kinhd. H thng c@

Cu 3: Receptor cm th hormon ca t bo ch cim sau ging protein vn chuyn huyt tng:a. C kh nng truyn tn hiub. C mt ngang nhau trong t boc. C kh nng gn hormon@d. C th lu gi hormon trong mu


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Cu 4: c im ca cc hormon nhm I ( steroid, giptrng)a. C receptor trong t bo@b. Khng cn c protein vn chuync. C thi gian bn hy ngn ( hng pht)d. C cht trung gian truyn tin l cAMP, Ca2+

Cu 5: Trong bnh i ng khng insulina. Ty khng bi tit c insulin

b. T chc vn p ng c vi insulin ngoi sinhc. Xt nghim glucose m tnh trong nc tiud. C hin tng t bin trong vng tyrosin kinase careceptor cm th insulin@

Cu 6: Hormon KHNG C bn cht glucoprotein:a. FSHb. LHc. STH@d. TSH

Cu 7: Cch hot ng ca hormon tin yn l :a. Mknh ionb. Qua cht truyn tin th 2 l phosphoinositidc. Hot ha Adenylat cyclase@d. c ch Adenylat cyclase

Cu 8: c im chung ca oxytocin v vasopressin:a. C cu to polypeptid gm 9 acid amin v 1 cudissulfur@b. L nhng hormon ca thy gia tuyn ync. C cu to ha hc hon ton ging nhau

d. C tc dng chng li niu

Cu 9: Pro-opiomelanocortin (POMC) l tin thn ca cccht sau , NGAI TR:a. Hormon tin yn ACTHb. Hormon trung yn MSHc. Lipotropind. Calcitonin@

Cu 10: c im ca Insulin l :a. c tng hp bi cc t bo ca tuyn ty

b. Gm 29 acid aminc. To phc hp vi Zn@d. Cu to bi 1 chui polypeptid

Cu 11: Tc dng h ng huyt ca Insulin , CHNCU SAI :a. Kch thch s gia nhp glucose vo cv ganb. Kch thch tng hp glycogen gan v cc. Kch thch thoi ha glucose to acetyl-CoAd. Kch thch s thoi ha glycogen gan v c@

Cu 12: Tc dng ca hormon tuyn gip l:

a. Tng ti hp th Ca2+ v bi tit PO43-thn@

b. Gim chuyn ha cbnc. Hng huytd. Gim thoi ha lipid

Cu 13: c im chung ca hormon steroid , CHCU SAI :a. C cu trc ca khung cyclopentanoperhphenantren

b. c tng hp t pregnenolonc. Gn vi receptor c hiu nm trong t bod. C ngun gc t s thai ha phospholipid@

Cu 14: Nng estrogen:a. Cao nht vo nhng ngy trc kinhb. t nh cao nht vo ngy rng trng@c. Gim dn theo thng thaid. Thp nht vo ngy rng trng

Cu 15: Trong thi gian c thai, Progesteron :

a. Khng thay ib. Gim dn theo thng thaic. Gim thp nht trc ngy sinhd. Cn gi yn thai@

Cu 16: V ha hc, Estrogen c c trng bi :a. Mt khung steroid c 21 carbonb. Thiu nhm metyl C-10@c. Vng D thmd. Thiu oxy C-17

Cu 17: Progesteron l tin cht ca:a. Aldosteron, cortisol v corticosteron@b. Cholesteron, cortison v acid cholicc. Aldosteron, acid deoxycholic v pregnenolond. Hydrocortison, pregnenolon v estriol

Cu 18: Thyroxin c to thnh trong tuyn gip ta. Triiodothyroninb. Thyroglobulin@c. Tryptophand. Tyramin

Cu 19: Aldosteron:a. L mineralocorticoid hot ng nht@b. L 1 cht chuyn ha ca dehydroepiandrosteronc. C tc dng c ch ti hp th Na ng thnd. L tin cht ca 11 deoxycorticosteron

Cu 20: Cc steroid c thi tr ra khi cth :a. Theo phnb. Theo nc tiu@c. Theo mt

d. Di dng ghp vi taurin


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Cu 21: Ty sn xut 1 yu t gy tng ng huyt l:a. Insulinb. Lipasec. Glucagon@d. FSHCu 22: Inositol triphosphat l cht truyn tin th 2 c tcdng:a. Kch thch protein kinase ph thuc cAMP

b. Kch thch phospho diesterasec. Gii phng Ca ra khi h thng li ni bo@d. C 1 nhm chc aldehyd C-17Cu 23: Mt tong nhng tc dng ca cortisol(hydrocortison) l:a. c ch tuyn bi tit ACTH@b. Kch thch tng hp protein cc. c ch tn to glucose gand. c ch tuyn yn bi tit GHCu 24: Qu trnh tng hp Insulin i t 1 tin chtprotein do :

a. Kh cc cu disulfurb. Tc ng ca 1 aminopeptidasec. Tc ng ca 1 carboxypeptidase@d. Ct 1 peptid gia chui acid aminCu 25: Mt cquan ch ca hormon tuyn cn gip l:a. T bo ca tyb. T bo ca tyc. T bo tit calcitonind. Thn@Cu 26: Epinephrin:a. V norepinephrin gn vo receptor mng t bo c tc

dng hot ha adenylat cyclase@b. S dng Inositol triphosphat (IP3) lm cht truyn tinth 2 trong nhng p ng trung gian t boc. Bc ch tc dng bi aspirind. Bi khng bi norepinephrinCu 27: Cht truyn dn tin th 2 c thc tn to tphosphattidyl inositol diphosphat l:a. Inositol diphosphatb. Acid arachidonicc. Diacylglycerol@d. AMP vng

Cu 28: Receptor cm th Insulin:a. C 1 vng tng t vi vng receptor cm th thyroxinb. C th gn Mn2+c. C i lc cao i vi DNAd. C 1 vng tyrosin kinase@

Cu 29: Cch hot ng ca cAMP l :a. Gn vo tiu n v xc tc ca protein kinase Ab. Gn vo tiu n viu ha ca protein kinase A@c. C s dimer ha v sau hot ha protein kinase Ad. ng vai tr l cht cho phosphat trong cc phn ng

phosphoryl ha xc tc bi protein kinase A

Cu 30: Tuyn cn gip iu ha chuyn ha ca:a. Calci v Magib. Phospho v Magic. Calci v Phospho@d. Calci v MagiCu 31: Hormon rut non c tc dng kch thch sbp ca ti mt v bi tit Amylase ty l:a. Somatostatinb. Vasoactive intestinal polypeptid

c. Cholecystokinin-pancreatozymin@d. EnterokinaseCu 32: Insulin c trng bi s c mt ca:a. Hai chui peptid ni vi nhau bi 2 lin kt disulfurb. Hai chui peptid ni vi nhau bi cc lin kt ca Nc. 14 acid amind. Mt chui peptid gm 28 acid amin

Cu 33: Thyroxin c tng hp trong cth t:a. Tyroxin@

b. Indol-5,6-quinonc. L-histidind. TyraminCu 34: Trong bnh thiu nng tuyn cn gip ngcc triu chng sau , NGAI TR:a. Gim bi tit phospho v cniub. Tng phospho v ctrong huyt thanhc. Gim Ca2+ trong huyt thanhd. Tng lng Glucose mu @

Cu 35: Cht no l tin cht trong qu trnh sinh tng

Testosterona. Adrenosteronb. Pregnenolon@c. Estrond. Metyl testosteronCu 36: Phn ln Androgen c bi tit ra ncdi dng:a. Estradiolb. T doc. Lin hp vi acid glucuronic@d. Este phenol sulfat

Cu 37: Hormon kch thch nang trng v hong thsn xut t:a. T bo ca tuyn tyb. Thy trc tuyn yn@c. Nang trngd. T bo leydigCu 38: Hormon steroid no cha 1 nhn thm:a. Progesteronb. Testosteronc. Estron@d. Cortison


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Cu 39: Thiu ht Insulin gy ra cchin tng sau ,CHN CU SAI :a. Km hm tng hp proteinb. Tng thoi ha proteinc. Tng qu trnh sinh tng hp acid bod. Gim thai ha Lipid@Cu 40: Steroid v thng thn c tng hp invivo t :a. Testosteronb. 18- hydroxy corticosteron

c. Cortisond. Progesteron@Cu 41: Sn xut thiu ADH s gy bnh :a. Parkinsonb. Addisonc. i tho ngd. i nht@Cu 42: Vasopressin :a. C kh nng lm gim p lc mub. Kch thch ti hp th nc ng ln xa@c. Kch thch li niu

d. c ch s ti hp th nc ng ln xaCu 43: Bnh Giantism v acromegaly ( to u ngn ) lnhng bnh do ri lon bi tit hormon no?a. FSHb. TSHc. Somatotropin@d. ParathormonCu 44: Estradiol:a. Kch thch Adenylat cyclase ca t bo chb. Lin hp vi sulfat trc khi c tc dngc. Thay i tnh cht vn chuyn ca t bo ch

d. Kch thch sao chp chui DNA c hiu@MCQ: HO HC ACID NUCLEIC.

CHN CU TR LI NG NHT.1.Acid Nucleic:A.Gm nhiu nucleotid ni vi nhau bng lin ktphospho di [email protected] tnh cht acid do cha acid t do ca H3PO4.C.C qui c c tn 3 n 5 t tri sang phi.D.C u 3 cha nhom phosphor c 2 chc acid t do.2.ADN khng c c tnh sau:

A.Mi vng xon c 10 i baseB.Mi i base cch nhau 0,34 nmC.Cc base c cu trc k nc nm pha trong ca 2siD.C cu trc xon [email protected] ADN c c trng bi:A.Cu to ca riboseB.Cc gc phosphatC.Lin kt hydro gia cc baseD.Trnh t cc nucleotid.@

4.ADN ca mi loi khc nhau v:

A.S phn t v di ca chui.B.Dng thng hay vng ca ADNC.Trnh t cc base c trng cho mi ADN.D.Tt c cc c tnh trn.@

5.Loi ARN chim nhiu nht trong cc ARN ca t bl:A.ARN thng tinB.ARN Ribosom.@

C.ARN vn chuynD.Khng loi no k trn

6.c im chung ca ARN vn chuyn l:A.Gm 4 cnh tay chnh.B.C tn cng l chui C-C-A (5->3) cnh tay nhC.Cha nhm anticodon gm 3 nucleotid tng ng vcodon trn mARN.D.Tt c nhng c im trn.@

7.Acid Nucleic:

A.u cha cc purin ging [email protected] cha cc pyrimidin ging nhau.C.C cha cytosin v thymin trong ARN.D.u c thu phn trong kim yu.8.Thu phn acid ribonucleic bng acid s cho nhng phm chnh sau:A.D-deoxyribose, cytosin, adenin.B.D-ribose, thymin, guanin.C.D-ribose, cytosin, uracil, thymin.D.D-ribose, cytosin, uracil, adenin, guanin.@

9.Thu phn hon ton acid ribonucleic bng acid stt c nhng cht sau,TR:A.Acid phosphoric.B.Purin, Adenin.C.ng 5 [email protected] no sau y c trong ARN nhng khng c trADN.A.Thymin.B.Cytocin.C.Uracil.@

D.Guanin, Adenin.CHUYN HO ACID NUCLEIC.1.Acid inosinic l tin cht tng hp:A.Acid orotic v uridylic.B.Acid adenylic v [email protected] v pyrimidin.D.Uracin v thymin.2.Sn phm thoi ho ch yu ca chuyn ho purin lA.Allantoin.B. ure.C.Ammoniac.

D.Acid uric.@


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3.C mt acid amin hai ln tham gia vo qu trnh tnghp nhn purin ca purin nucleotid l:[email protected]. to thnh IMP trong sinh tng hp mononucleotid,nguyn t N1 c ly t:A.Glutamic

B.Aspartic.@C. Ure.D.Glutamin5.Ribonuclease c kh nng thu phn:[email protected] Goutte (thng phong) l hu qu ri lon:A.Chuyn ho acid amin.B. Chuyn ho hemoglobin .

C.Tng hp ure.D.Thoi ho acid nucleic, tch t urat [email protected] c tc dng tng bi xut acid uric ra nc tiu ,c dng trong iu tr bnh Goutte l:A.Insulin.B.Vitamin E,F.C.ACTH v cortison.@D. Adrenalin.8. ngi ,sn phm thoi ho cui cng ca purin thi ranc tiu l:A. Ure.

B.Ammoniac.C.Acid [email protected] TNG HP PROTEIN

Cu 1: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Lun thuyt trung tm ni v qu trnh truyn thng tindi truyn t protein ti ADN@b. Mi chui polypeptid c m ha vi mt gen cutrc hay cistron.

c. Qu trnh biu hin gen din ra qua hai bc : chuynm hay sao chp v gii m hay phin dch.d. ARN polymerase hng ARN hay ARN replicase xctc s tng hp ARN b sung vi ARN khun.Cu 2: Trong sinh tng hp protein iu no sau yKHNG NG ?a. M c c theo chiu 5 3b. M kt thc l UAA, UAG v UGAc. M thoi ha l nhng m cng m ha mt acid amind. ng vi m sao AUU ARNm l m gc ATT AND@

Cu 3: Trong sinh tng hp protein:

a. Thnh phn ca operon gm c : mt s gen cu trgen khi ng v gen iu ha.b. S chuyn m bt u t gen iu ha.c. Cc m ng vi mt chui polypeptid th c xp nhau theo th t tng ng vi th t ca cc acid amca polypeptid@d. Trancriptase ngc xc tc s truyn thng tin ngprotein n ARN.Cu 4: Trong sinh tng hp protein:

a. ARNt gic cu trc ba chiu l nhlin ktdisulfuab. Qu trnh kt hp acid amin vi ARNt th khng cnng lng.c. C tt c 20 ARNtng vi 20 acid amin.d. S nhn i khin cho thng tin di truyn c truyt ADN m sang ADN ca t bo con@Cu 5: Trong sinh tng hp protein iu no sau yKHNG NG ?a. S hot ha acid amin khng cn ATP v Mg++@b. ARNm l bn sao ca mt hoc trn mt gen cu tr

c. ARNt c hai vai tr : vn chuyn acid amin v c md. Ribosom l nh my tng hp protein.Cu 6: Trong sinh tng hp proteina. Lin kt gia acid amin v ARNt l lin ktacylphosphat giu nng lng.b. C 60 acid amin ARNt synthetase tham gia hot hloi acid amin.c. Mt ARNt c th vn chuyn nhiu acid amin.d. Nhnh tip nhn ca ARNt bao gicng c b ba Cu 3@Cu 7: Trong sinh tng hp protein iu no sau y

KHNG NG ?a. t bo c nhn, giai on mu ca s tng hpprotein c s tham gia ca acid amin l formyl methio@b. Enzym xc tc s tng hp aa-ARNt l amino acyl-ARNt synthetase.c. Cun i m c b ba i m c hiu i vi acidamin c ARNt tng ng vn chuyn.d. Ribosom c hai v tr tip nhn : v tr P (tip nhnpeptidyl ARNt ) v v tr A tip nhn ( tip nhn aa-AR).

Cu 8: Trong sinh tng hp protein:a. ARNm gn vi R50S (vi khun) trong giai on mu.b. Bc 1 ca giai on ko di l s tip nhn acid amt do.c. Bc 3 ca giai on ko di th peptidyl-ARNtvA.d. Ngun nng lng ca giai on mu l GTP@


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Cu 9: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Trong giai on mu c s to phc hp mu30S, ri phc hp mu 70S (E. coli).b. Mi chu k ca giai on ko di chui polypeptid gm3 bc vi s tham gia ca cc yu t ko di (EF).c. Giai an kt thc c s tham gia ca nhng yu t giiphng (RF).d. Khi kt thc s tng hp polypeptid th ARNt vn bm

cht vo robosom@Cu 10: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Trong giai on ko di chui polypeptid c s thamgia ca enzym peptidyl transferase.b. Cc ribosom ca polysom trt trn ARNm vi tc khc nhau@c. Qua nhiu chu k ca giai on ko di, chuipolypeptid c to thnh gn vi ARNt qua aan didng polypeptidyl ARNt.d. Khi kt thc tng hp chui polypeptid th R 70S tch

thnh R 50S v R 30S.Cu 11: Trong sinh tng hp protein iu no sau yKHNG NG ?a. Gen cu trc ca t bo nhn tht c nhng on mha l exon v nhng on khng m ha l intron.b. Khi chuyn m cc exon v intron u c dng lkhun v ARNm tin thn c to thnh.c. Sau khi c tng hp protein cn c nhng bin inh to lin kt disulfua, t xon cun, hydroxyl ha, gnthm glucid d. Erythromycin c ch giai on kt thc ca s tng

hp protein vi khun@Cu 12: Gien khi ng c k hiu l :a. P@b. Oc. Rd. SCu 13: Trong qu trnh sinh tng hp protein:a. Gen nm ARNm cha cc thng tin di truyn (TTDT)b. Gen nm ARNt cha cc TTDTc. Gen nm ADN cha cc TTDT@d. Gen nm ARNr cha cc TTDT

Cu 14: Trong qu trnh sinh tng hp protein:a. AND khng trc tip tham gia tng hp protein nhngn quyt nh cu trc c hiu ca Protein c tnghp@b. AND trc tip tham gia tng hp Proteinc. ARNm l cht liu bo qun thng tin di truynd. ARNr l cht liu bo qun thng tin di truynCu 15: Vn chuyn AA n ni tng hp Protein v cm l vai tr ca:a. ARNrb. ARNm

c. ARNt @

d. ADNCu 16: Trong s hot ha v chuyn vn AA to php aa - ARNta. Khng cn ATPb. Cn 2 ATP hot hac. Cn 1 ATP hot ha@d. Cn Mn2+Cu 17: Vic c m c thc hin do :a. AND

b. ARNmc. ARNrd. ARNt@Cu 18: M mu l :a. AUCb. AUG@c. ACUd. UCUCu 19: S tng hp protein Ribosom xy ra gm mgiai on ?a. 1

b. 2c. 3@d. 4Cu 20 : M kt thc l :a. UCCb. AGAc. CACd. UAA@

XC TC SINH HCCu 1: Cc isoenzym c mt tnh cht chung:a. Tnh cht l hc

b. Tnh cht ha hcc. Tnh min dchd. Tnh xc tc@Cu 2: Coenzym ca oxydoreductase vn chuyn hyda. Vitamin B cc loib. Vitamin PP v B2@c. Vitamin B6d. Vitamin B1Cu 3: Amino transferase c coenzym:a. Acid pantophenicb. Acid folic

c. Pyridoxal phosphat@d. Thiamin pyrophosphatCu 4 : Tp hp cc enzym KHNG CN c coenzya. Peptidaz , Trypsin , Aminotransferazb. Chymotrypsin , pepsin , Amylaz@c. Maltaz , Chymptrypsin , Lyazd. Lactatdehydrogenaz, Lyaz, pepsinCu 5 : Tt c cc enzym u c bn cht l :a. Vitaminb. Protein@c. Cng t

d. Coenzym A


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Cu 6: V tr trao i hydro ca coenzym NAD+:a. Adeninb. D Ribasec. Nicotinamid @d. DinucleotidCu 7: V tr thu nhn H2 ca coenzym FAD :a. Adeninb. D Ribosec. Vng isoallosazin ca flavin@

d. DinucleotidCu 8: Phn ng sau y c trng cho loi men no ?

2H2O2 2H2O + O2a. Peroxidaseb. Catalase@c. Dehydrogenased. Oxydase cha ngCu 9: Cc dehydrogenase s dng tt c cc coenzymsau y NGAI TR:a. NAD+

b. NADD+

c. FADd. CoA@Cu 10: Cc isozym lactat dehydrogenase:a. Chng minh s tin ha enzym nyb. Thay i t cc monomer thnh tetramerc. Ch khc nhau 1 acid amind. Tn ti di 5 dng ph thuc vo hm lng ccmonomer M v H@Cu 11: Phn ng NH2 CO NH2 + H2O CO2 +2NH2c xc tc bi enzyma. Vn chuyn

b. Thy phn@c. Phn tchd. ng phn haCu 12: Tnh c hiu xc tc phn ng ha hc ca phnt enzym th hin phn:a. Ccht tc dngb. Coenzym @c. Ion kim loid. ApoenzymCu 13: Tc phn ng enzym lun bc 1 khi:a. Nng enzym cao

b. Nng ccht ln hn 100Kmc. Thc hin pH ti thchd. Nng ccht nh hn Km@Cu 14: Biotin l coenzym tham gia phn ng vn chuynnhm:a. Acetylb. Nh

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