why is the plasma membrane called a selectively permeable membrane?

Asked by  | 6th Apr, 2008, 12:33: PM

Expert Answer:

The plasma membrane allows the entry and exit of some materials in and out of the cell. It also prevents movement of some other materials. Hence it is called a selectively permeable membrane.

Answered by  | 6th Apr, 2008, 07:18: PM

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