| A | B |
|---|
| mitochondria | supplies the energy for the cell |
| nucleus | contains DNA, synthesized RNA |
| cytoplasm | the fluid within the cell |
| ribosomes | the site of protein synthesis |
| endoplasmic reticulum | rough or smooth; |
| nucleolus | located in the nucleus, site of ribosome production |
| vacuole | stores wastes and enzymes |
| cell membrane | selectively permeable, controls the materials that enter and leave the cell |
| nuclear membrane | contols the materials that enter and leave the nucleus |
