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2007-03-02 09:38:40 · 4 answers · asked by Anonymous in Science & Mathematics Biology

4 answers

osmotic pressure

2007-03-02 11:05:39 · answer #1 · answered by Anonymous · 0 0

You need more details. If you are talking about a plant cell, it is because it has a cell wall.

2007-03-02 12:58:17 · answer #2 · answered by JLB 3 · 0 0

The phospholipid bilayer

2007-03-02 10:44:38 · answer #3 · answered by Lisa C 1 · 0 0

what?

2007-03-02 09:41:30 · answer #4 · answered by Anonymous · 0 0

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