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sweet-ann [11.9K]
2 years ago
5

What functions must a membrane allow?

Biology
1 answer:
andreev551 [17]2 years ago
3 0

Answer:

They keep toxic substances out of the cell

Explanation:

They contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles

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