Question

Short / Long answer type questions.
Why is the plasma membrane necessary for the life of a cell?

Answer 1

The plasma membrane is the outer covering of cells. they are necessary for cells because :

• They form a barrier between the cell and outer environment, thus keeping it safe for long.
• They are selectively permeable in nature, thus keeps a check on the movement of substances from in and out of the cell.
• They keep toxic substances out of the cell.
• They give shape to the cell.