3. Prokaryotic Cells lack a membrane-bound nucleus The word prokaryote comes from the Greek πρό- (pro-) "before" and καρυόν (karyon) "nut or kernel

4. 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

5. Eukaryotic cells contain a membrane-bound nucleus from the Greek ευ (eu, "well") and κάρυον (karyon, "nut" or "kernel").

6. Plant cells cell wall outside of the cell membrane. contains cellulose. large central vacuole

7. Animal cells Lack cell walls and chloroplasts Can adopt a variety of shapes

8. Plant cell parts 1.Smooth endoplasmic reticulum 2.Plasmodesmata 3.Mitochondria 4.Cell wall 5.Cell membrane 6.Cytoskeleton 7.Peroxisomes 8.Vacuole 9.Chloroplast 10.Ribosomes 11.Rough endoplasmic reticulum 12.Golgi apparatus 13.Vesicles 14.Nucleolus 15.Nucleus 16.DNA

9. Animal cell parts 1.Centrioles 2.Plasma membrane 3.Peroxisomes 4.Mitochondria 5.Cytoskeleton 6.Lysosomes 7.Smooth endoplasmic reticulum 8.Golgi apparatus 9.Vesicles 10.Ribosomes 11.Rough endoplasmic reticulum 12.Nucleus 13.Nucleolus 14.DNA