Across
- 4. the stiff structure that surrounds plant cells
- 5. an organelle that produces the cell's energy
- 7. the name a an organism that is only one cell
- 9. the liquid inside a living cell
- 11. tiny structures within cells that perform specific functions
Down
- 1. the control center for the cell
- 2. how cells are created
- 3. the scientist that named the cell
- 6. the boundary that surrounds all cells
- 8. the organelle where photosynthesis occurs
- 10. most basic unit of all living things