Question

Why is the plasma membrane called a selectively premeble membrane
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Answer 1

Answer:

Plasma membrane called a selectively permeable membrane because it regulates the movement of substances from within to outside of the cell. This means that the plasma membrane allows the entry of some substances while preventing the movement of some other substance.

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Answer 2

Answer:

plasma membrane is called selectively permeable membrane because it enters the things which are needed for the cell and does not allow other substances which are not required by the cell.