Question

what is cell membrane​

Answer 1

Answer:

The semipermeable membrane surrounding the cytoplasm of a cell.

Explanation:

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Answer 2

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Cell membranes are composed primarily of fatty-acid-based lipids and proteins. Membrane lipids are principally of two types, phospholipids and sterols (generally cholesterol). ... They can also attach to the second type of protein, called the intrinsic proteins.