click below
click below
Normal Size Small Size show me how
Cell
| Term | Definition |
|---|---|
| cell | functional unit of life |
| prokaryotic | lack nuclear membrane. simple structure |
| eukaryotic | nucleus. more complex. cells of plants, animals, fungi, protists |
| flagella | whip like structure. helps them move. |
| biofilm | ex: plaque. |
| cytoskeleton | found in plants (cell walls), fungi (chitin), some protists |
| nucleus | controls cells activities |
| nucleolus | region where ribosomal RNA is synthesized |
| chromosomes | consists of DNA wrapped around proteins |
| nuclear envelope | double membrane. surrounds nucleus |
| nuclear pores | control entry and exit of materials |
| histones | most common proteins |
| rough ER | make proteins. has ribosomes. transported by ER |
| smooth ER | does not have ribosomes. transport lipids and makes fats |
| protein synthesis | occurs on ribosomes that are free floating in he cytoplasm and on ribosomes attached to ER |
| Golgi apparatus | post office. sorts and packages. |
| lysosomes | formed by Golgi apparatus. digestion. |
| phagocytosis | cell bringing something in |
| glyoxisomes | found in plants. convert fat into sugar |
| peroxisomes | removes toxins from cytoplasm |
| mitochondria | double membrane. energy. |
| chloroplasts | makes energy for plant. thylakoids trap light for photosynthesis. |
| amyloplasts | synthesize and store starch in roots and tubes. |
| chromoplasts | color |
| central vacuole | stores water in plants |
| pinocytosis | drinking |
| phagocytosis | eating |
| osmosis | water moving through a selective permeable membrane |