| A | B |
| cells | smallest unit of life that conducts all life functions |
| cell membrane | thin, flexible covering of a cell |
| diffusion | one way materials move across the cell membrane |
| osmosis | diffusion of water across a membrane |
| cytoplasm | gel-like fluid inside of a cell made mostly of water |
| nucleus | contains genetic material (DNA) and is the control center of the cell |
| vacuole | act as temporary storage centers |
| chloroplasts | sites where photosynthesis takes place in plant cell |
| mitochrondria | energy producing sites in cell where respiration takes place |
| cell wall | provides support and shape for plant cells |