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3.1 science
| Question/term | answer/definition |
|---|---|
| 1.cell structure ; a. nucleus | a. contains DNA B.directs all the cells activities |
| B.cell membrane | a. controls what enters and exits cell |
| c. mitochondria | a. converts glucose into energy b. called the powerhouse of the cell |
| d. vacuole | a. stores water, wastes, food, and other materials until needed**animal cells may or may not have a vacuole |
| e. ribosome | a. ribosome 1. protein production 2. found floating in the cytoplasm |
| endoplasmic reticulum | a. ribosomes are found here too b.passageways that carry materials throughout the cell |
| g. Golgi body | a. receives materials from the endoplasmic reticulum b. packages and disperses materials to other parts of the cell |
| h. lysosome | a. contains digestive enzymes that break down food particles and old cell parts b. docked down particles and pars are reused by the cell |