bio topic 2 : movement of substances

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4 Terms

1
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animal cell → lower wp

  • the animal cell cytoplasm has a higher wp than the solution

  • this causes the net movement of water molecules from the cytoplasm to solution

  • via osmosis

  • causing the cell to shrink and become crenated

2
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plant cell → lower wp

  • the plant cell sap has a higher wp than the solution

  • this causes the net movement of water molecules from the cell sap to the solution

  • via osmosis

  • causing the vacuole to shrink and the plant cell becomes plasmolysed

3
New cards

animal cell → higher wp

  • the animal cell cytoplasm has a lower wp than the solution

  • this causes the net movement of water molecules from the solution to the cytoplasm

  • via osmosis

  • causing the cell to expand and burst

4
New cards

plant cell → higher wp

  • the plant cell sap has a lower wp than the solution

  • this causes the net movement of water molecules from the solution to the cell sap

  • via osmosis

  • causing the vacuole to expand and push against the cell wall. the plant cell becomes turgid