Question

Why plasma membrane is known as selectively permeable membrane​

Answer 1

Answer:

The cell membrane or plasma membrane is a biological membrane that separates the interior of the cell from the outside environment. The plasma membrane is called as selectively permeable membrane because it regulates the movement of substances in and out of the cell.

Answer 2

its a thin layer of protein and fat . it allows only selectelive sentences, and that's why it's called a selectively permeable membrane..

Hope this helps, buddy!