Question

Why plasma membrane is called the selectively permeable membrane ?

Answer 1

Plasma membrane is also known as selectively permeable membrane because it permits the entry and exit of some materials in the cell.

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Answer 2

Answer:

The cell membrane or the plasma membrane is known as a selectively permeable membrane because it regulates the movement of substances in and out of the cell. This means that the plasma membrane allows the entry of only some substances and prevents the movement of some other materials.