| A | B |
|---|
| organelles | tiny cell structures which carry out specific functions inside a cell |
| cell wall | a rigid layer of nonliving material that surrounds the cells of plants |
| cell membrane | controls what substances come into and go out of a cell |
| cytoplasm | gel-like fluid that fills the cell |
| mitochondria | "powerhouses" of the cell that convert energy in food molecules into energy the cell can use |
| endoplasmic reticulum | passageways that carry proteins and other materials from one part of the cell to another |
| ribosomes | function as factories that produce proteins |
| Golgi body | receive materials from the ER, package them and distribute them to other parts of the cell |
| chloroplasts | capture energy from sunlight and use it to produce food for the cell |
| vacuole | storage area for the cell |
| lysosome | small, round structures that contain chemicals that break down food and old cell parts |
| centrioles | assist in cell division in an animal cell |
