Question

what is cell membrane? ​

Answer 1

Answer:

The cell membrane is a thin flexible layer around the cells of all living things. It is sometimes called the plasma membrane or cytoplasmic membrane. Its basic job is to separate the inside of cells from the outside. In all cells, the cell membrane separates the cytoplasm inside the cell from its surroundings.

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Answer 2

Answer:

cell membrane is the outer covering of the cell which protects  from disallowing the unknown particles inside.