Across
- 3. A cell that does NOT have a nucleus
- 5. The jelly-like substance that fills in the cell membrane in all cells.
- 8. Said all plants are made of cells
- 10. First person to see Bacteria
- 12. The smallest known cells
- 13. A type of cell that can live in extreme environments
Down
- 1. Said all cells come from existing cells
- 2. A cell that has a nucleus
- 4. Structures that perform certain functions within a cell
- 6. The protective layer that covers the cell's surface and acts as a barrier
- 7. First to discover cells
- 9. Said all animals are made of cells
- 11. The genetic material inside of all cells