Question

Why is plasma membrane is called the selectively permeable membrane

Answer 1

plasma membrane allows the entry and exit of some materials in and outside the cell. It also

prevents the entry of other matetials into the cell. so, it is called selectively permeable membrane.

Answer 2

Answer:plasma membrane is the outermost covering of the cell that separates the contents of the cell from its external environment. The plasma membrane allows or permit the entry and exit of some materials in and out the cell .It also prevents movement of some other materials.The cell membrane is therefore called a selectively permeable membrane.

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