| A | B |
|---|
| organelles | tiny cell structures that carry out specific functions in the cell |
| cell wall | a rigid layer of nonliving material that surrounds the cells of plants |
| cell membrane | controls what substances come into and out of a cell |
| nucleus | the control center of the cell that directs all cell activities |
| nuclear membrane | protects the nucleus and controls material passing in and out of the nucleus |
| chromatin | strands of genetic material that direct functions in a cell |
| nucleolus | where ribosomes are made |
| ribosomes | produce proteins |
| cytoplasm | region between nucleus and cell membrane where organelles are found |
| mitochondria | rod-shaped powerhouses of the cell that produce energy for the cell |
| endoplasmic reticulum | passageways that carry proteins within the cell |
| Golgi bodies | distribute materials throughout the cell |
| chloroplasts | green structures that make food for the cell by using sunlight energy |
| vacuoles | sacs that are used for storage in the cell |
| lysosomes | round structures with chemicals inside to break large food particles into smaller pieces |
| prokaryotes | cells that don't have a nucleus |
| eukaryotes | cells that do have a nucleus |
