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Cells (Eukaryote)
and prokaryote
| Question | Answer |
|---|---|
| circular DNA. | for replication of bacterial cells |
| flagellum | aids movement helps spin though fluids |
| mesosome. | increase surface area of cell membrane (extra) site of respiration, photosynthesis |
| lysosome. | contains digestive enzymes to digest invading cells/ destroy cell when nees replacing |
| Plasmid. | gives resistance to harmful chemicals e.g. antibiotics. carriers of genetic information helpful in genetic engiring |
| Capsule. | protects bacterium from other cells. Helps group stick together for protection. |
| mitochondrion | needed for certain stages of respiration. Responsible for production of ATP (energy- carrier molecule) |
| Rough endoplasmic reticlum. | provides a large surface area for synthesis of proteins. Provides a pathway for transport of materials thoughout the cell. |
| ribosome. | needed for protein synthesis |
| mirovilli | increases surface area for more efficient absorption |
| smooth endoplasmic reticlum | synthesise, store, transport lypids and carabohydrates |
| cytoplasm | many reactions occur here. |
| nucleus | controls cells activities, retains genetic material in form of DNA. pores allow RNA to move to ribosome |
| plasma membrane | forms a boundary between cytoplasm and the environment. controls movement of substances in out of the cell |
| golgi body | add carabohydrates to proteins to form glyproteins. produce secretory enzymes. ecrete carabohydrates. transport, modify and store lypids. forms lysosomes |
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