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Prokaryotic

• Cells lack a membrane-bound nucleus• The word prokaryote comes from the Greek

πρό- (pro-) "before" and καρυόν (karyon) "nut or kernel

Prokaryotic• Nucleoid: region that contains most of the genetic

material• Cell Membrane: forms boundary around the cell.

Determine what comes in and what goes out.• Cytoplasm: thick solution that fills the cell• Ribosomes: (70S) involved in protein synthesis• Pilli: some allow for the transfer of genetic material

between cells. Others are involved in mobility.• Cell Wall: external to the cell membrane. Provides

protection and structure. Contains peptidoglycan.• Flagellum: whip-like structure used for locomotion

Eukaryotic

• cells contain a membrane-bound nucleus• from the Greek ευ (eu, "well") and κάρυον

(karyon, "nut" or "kernel").

Plant cells

• cell wall outside of the cell membrane. contains cellulose.

• large central vacuole

Animal cells

• Lack cell walls and chloroplasts• Can adopt a variety of shapes

Plant cell parts

1. Smooth endoplasmic reticulum2. Plasmodesmata3. Mitochondria4. Cell wall5. Cell membrane6. Cytoskeleton7. Peroxisomes8. Vacuole

9. Chloroplast10.Ribosomes11.Rough endoplasmic reticulum12.Golgi apparatus13.Vesicles14.Nucleolus15.Nucleus16.DNA

Animal cell parts

1. Centrioles2. Plasma membrane3. Peroxisomes4. Mitochondria5. Cytoskeleton6. Lysosomes7. Smooth endoplasmic reticulum

8. Golgi apparatus9. Vesicles10.Ribosomes11.Rough endoplasmic reticulum12.Nucleus13.Nucleolus14.DNA