Question

Why are cell membranes selectively permeable?

Answer 1

Cell membranes selectively permeable are those who only allow some of the ions , molecule through them , not all types of ion can pass through it .

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Answer 2

Hello Deepu,

Cell Membranes are selectively permeable because they allow only certain substances useful to the cell and don't allow other substances. It acts as a guard and protects the cell.

hope it helps u....