Across
- 2. Hereditary material
- 8. Smallest living unit
- 9. Contains cell contents
- 11. pairs of microtubular structures
- 12. Directs synthesis of RNA
- 13. The study of life
- 14. Simplest type of cell
- 15. The control center
Down
- 1. Vicious fluid containing organelles
- 3. Separates Nucleus from the rest of the cell
- 4. Surrounds plasma membrane
- 5. Interacts with water
- 6. Appeared approximately 1 Billion years ago
- 7. used to move substances outside human cells
- 10. whip-like extensions