Question

why do we call plasma membrane as a selectively permeable membrane
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Answer 1

Answer:

The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. ... If plasma membrane ruptures or breaks down then molecules of some substances will freely move in and out of the cells.

Explanation:

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(i didn't copy, it was in my notebook)

Answer 2

Answer:

plasma membrane is called selectively permeable membrane because it allows only selected particles to move through it .