Question

the main functions of plasma membrane

Answer 1

The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
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Answer 2

plasma membrane is the outermost part of the cell which is called selective permeable membrane ,through which selective material can move in and out of the cell.
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