osmosis

2008-01-05 11:57 pm
If a red blood cell is put in 0.05% salt solution,will the volume of red cell increase or decrease? Why?
更新1:

Any other question, what is the solution in the space when plasmolysis occur in a cell

回答 (1)

2008-01-06 11:04 pm
✔ 最佳答案
According to wikipedia, 0.9% salt water is isotonic
so 0.05% salt solution is hypotonic (higher water potential than the red blood cell), the volume of red blood cell increase as water draw in by osmosis


the solution in the space when plasmolysis occur in a cell is the external solution of the cell

2008-01-07 11:26:26 補充:
the external solution of the cell is the solution that you used to immerse the plant cell
參考: wikipedia, my knowledge


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