What do we know about the permeability of the cell membrane?

Impermeable membrane

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Freely permeable membrane

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Selectively permeable membrane

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The permeability differs in different cells

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Solution

The correct option is C
Selectively permeable membrane

The cell membrane consists of a lipid bilayer with embedded proteins. The basic function of the cell membrane is to protect the cell from its surroundings. The cell membrane controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules.

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