D2.3

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Across
  1. 2. A solution with a lower solute concentration than the cytoplasm of the cell.
  2. 3. A membrane that allows certain molecules to pass through while blocking others.
  3. 4. The bursting of an animal cell when placed in an extreme hypotonic solution.
  4. 9. The condition of a plant cell when there is no pressure potential; it becomes limp.
  5. 11. The state of a plant cell when high pressure potential makes it firm and rigid.
  6. 13. The physical pressure exerted by the cell wall against the expanding cell contents.
  7. 15. The water potential of pure water at atmospheric pressure and standard temperature.
  8. 16. A substance that is dissolved in a solvent to form a solution.
  9. 18. The sign of solute potential because adding solutes always lowers water potential.
  10. 19. A process that does not require the expenditure of ATP by the cell.
Down
  1. 1. An organelle in protists that pumps out excess water to prevent lysis.
  2. 5. The shrinkage of the cytoplasm away from the cell wall in a hypertonic solution.
  3. 6. A solution with the same solute concentration as the cytoplasm of the cell.
  4. 7. The measure of the relative tendency of water to move from one area to another.
  5. 8. The component of water potential that is due to the presence of dissolved substances.
  6. 10. The shriveling of an animal cell when placed in a hypertonic solution.
  7. 12. The passive movement of water molecules from high water potential to low water potential.
  8. 14. The state reached when the water potential inside and outside the cell is equal.
  9. 17. A solution with a higher solute concentration than the cytoplasm of the cell.