What facilitates a cells ability to exchange materials between the cell and its environment?

Differentially permeable membrane.

Explanation:

Differentially permeable membrane is defined as the membrane that allows the passages of materials between the cell, and it's environment. It's allow the movement of some particles such as small molecules not large molecules like solutes.

It is also known as semipermeable membrane. It is also important for maintaining turgidity, and help to retain the ability to absorb solutes.

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