Question

12. Cell membrane is called selectively permeable membrane. Give reason.​

Answer 1

Answer:

this is because it allows only water( solvent) molecules to pass through it and doesn't allow solute molecules to pass through it

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Answer 2

The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. ... If plasma membrane ruptures or breaks down then molecules of some substances will freely move in and out of the cells.