BIOLOGY
Across
- 4. What The ---- is the brain of the cell
- 5. What is the abbreviation for Adenosine triphosphate
- 6. gradient How many molecules are in one spot
- 9. What do all cells have that protect the cell
Down
- 1. Only certain things can go through this
- 2. Found in plant cells but not animal cells
- 3. What are the two main types of cells?
- 7. Helps keep fluidity
- 8. This is the liquid that fills up the cell