Question

why cell membrane called protective layer?​

Answer 1

Answer:

As the outer layer of your skin separates your body from its environment, the plasma membrane) separates the inner contents of a cell from its exterior environment. This membrane provides a protective barrier around the cell and regulates which materials can pass in or out.

Explanation:

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Answer 2

Answer:

The Plasma Membrane As the outer layer of your skin separates your body from its environment, the plasma membrane) separates the inner contents of a cell from its exterior environment. This membrane provides a protective barrier around the cell and regulates which materials can pass in or out.