| A | B |
|---|
| Nucleus | Controls cell activity. |
| Ribosome | Site of protein synthesis. |
| Mitochondria | The "powerhouse" of the cell. Site of energy production. |
| Plasma Membrane | Surrounds the outside of the cell and controls what may enter and exit. |
| Cell wall | Rigid structure surrounding the outside of plant cells. Provides support and protection. |
| Chloroplasts | In plants, contain chlorophyll. |
| Vacuole | Storage area within a cell. |
| Lysosome | Contains materials for digesting food particles. |
| Cytoplasm | Substance which fills the inside of the cell. |
| Cilia | Small, hair-like projections used by some organisms for movement. |
| Flagella | Long, whip-like structure used by some unicellular organisms for movement. |
| Endoplasmic Reticulum | A transport system within the cell. |
