Question

why the plasma membrane is called selectively permeable membrane
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Answer 1

The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. ... It allows hydrophobic molecules and small polar molecules diffuse through the lipid layer, but does not allow ions and large polar molecules cannot diffuse through the membrane.

Answer 2

Answer:

as plasma membrane permits or allows the movement of some particles in and out of the cell so it is known as selectively permeable membrane