The main reason sodium and potassium ions CANNOT easily diffuse through plasma membranes is
A) these are large atoms and size prevents their diffusion through membranes.
B) they have a high solubility in lipids.
C) they have a low solubility in lipids.
D) they have a high solubility in water.
E) they have both a high solubility in water and a low solubility in lipids.
Correct Answer:
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