Across
- 2. a phospholipid's head can be described as
- 4. a phospholipid's tail can be described as
- 7. the movement of water molecules from a high to low concentration gradient
- 9. any substance dissolving another substance
- 10. most simple way to move molecules across membrane
- 12. method of moving molecules using protein pumps
- 13. known as universal solvent
- 15. when something only allows certain molecules to pass
- 16. the change in concentration in a membrane
Down
- 1. a semi-permeable membrane that allows molecules in and out
- 3. a type of solution that has a lower amount of solvent than solute.
- 5. a type of solution that has a lower concentration of solute than solvent
- 6. a type of solution that has the same amount of solvent as solute
- 8. any substance that is being dissolved in a solution
- 11. composed of phospholipids
- 14. move molecules across phospholipid bilayer without using energy