Across
- 3. uncharged molecules are ______
- 9. help charged ions enter the cell
- 10. helps maintain homeostasis
- 11. doesn't allow water to get through
- 12. only allows certain molecules to enter or exit the cell
- 13. powers active transport
- 14. moving molecules in and out of the cell without transfer proteins
Down
- 1. cells absorbing outside materials for the cell
- 2. allows water to get through
- 4. small group of molecules inside the cell membrane
- 5. helps water go through the cell
- 6. charged molecules are ______
- 7. the density of molecules in the cell
- 8. Moves molecules in and out of the cell using transport proteins
- 9. the molecules that make up the cell membrane