Question

What wood happen of the plasma membrane rupeture or brakes down

Answer 1

If plasma membrane or cell membrane breaks down then the rigidity of the cell destroys

Answer 2

If however plasma membrane of a cell break down than each and every matter can enter the cell. Because plasma membrane is a selectively permeable membrane that does not allow harmful things to enter. So when it break down, whole biochemical system of cell damages and the cell ultimately die.

Hope it helps you a lot......