| A | B |
| organelles | tiny structures that carry out functions in a cell |
| cell wall | rigid layer of nonliving material that surrounds plant cells |
| cell membrane | controls what comes in & out of cell |
| nucleus | cell's control center |
| nuclear membrane | controls what gets in & out of the nucleus |
| chromatin | contains genetic material that "tells" cell what to do |
| nucleolus | makes ribosomes |
| cytoplasm | clear, thick gel-like fluid |
| mitochondria | powerhouse of the cell |
| endoplasmic reticulum | transport proteins & other substances throughout cell |
| ribosomes | produce proteins |
| Golgi bodies | package & distribute proteins |
| chloroplasts | capture sunlight & produces food for the cell |
| vacuoles | sacs which store food, water, waste, & other materials for cells |
| lysosomes | break down old or damaged cell parts for recycling |
| bacterial cell | has cell wall, cell membrane & ribosomes |
| specialized cells | structure demonstrates functions |
| prokaryotes | organisms whose cells lack a nucleus |
| eukaryotes | organism whose cells contain a nucleus |