Question

What is plasma membrane? What are their functions?

Answer 1

plasma membrane which is also known as cell membrane.It is semi-permeable membrane means it allows to pass some of the selective substance through it.

Function is it allows the entry and exit of substances as per the cell requirement

Answer 2

Hey mate, here's ur answer
Plasma membrane or cell membrane is a type of membrane which permits the entry and exit of membrane inside and outside the cell.
Hope it helps!!