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The permeability of a cell membrane depends on the ability of a molecule to diffuse across that membrane. Usually, only molecules that are fat-soluble can permeate a cell membrane because

2 Answers

2 votes

Answer:

Cell membranes are composed of a lipid bilayer.

answered
User Anthony Johnston
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8.0k points
3 votes

Because cell membranes are composed of a lipid bilayer.

answered
User Matti Virkkunen
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