Question

why is the plasma membrane called selectively permeable?​

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.

Answer 2

Answer:

it is called selectively permeable membrane as it selectively allows the movement of particles to and fro the cell.