Question

what is cell membrane?​

Answer 1

The cell membrane is a biological membrane that separates the interior of all cells from the outside environment which protects the cell from its environment.

Answer 2

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The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell