Question

WHAT IS CELL MEMBRANE ??????



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Answer 1

Definition

The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell. It separates the cytoplasm (the contents of the cell) from the external environment. It is a feature of all cells, both prokaryotic and eukaryotic.

Cell membrane

a 3D diagram of the cell membrane

Function of the Cell Membrane

The cell membrane gives the cell its structure and regulates the materials that enter and leave the cell. It is a selectively permeable barrier, meaning it allows some substances to cross, but not others. Like a drawbridge intended to protect a castle and keep out enemies, the cell membrane only allows certain molecules to enter or exit.

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Answer 2

Answer:

cell membrane is and there

Explanation:

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