Question

Why nuclear membrane called selectively permeable?

Answer 1

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Answer:

Nuclear membrane is called selectively permeable because it allow the entry of certain(selected) molecules only.The rest cannot enter.Thus the nuclear memebrane is called selectively permeable.

The plasma membrane is called “selectively permeable” because it only allows certain substances through. ... Selectively permeable membranes usually allow water to pass through it through the process of osmosis, and doesn't allow for ions to pass through.

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Answer 2

Answer:

The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. Not all molecules are free to diffuse. If plasma membrane ruptures or breaks down then molecules of some substances will freely move in and out of the cells.