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How Can Water, a Polar Molecule, Cross Biological Membranes Rapidly

Question 40

Multiple Choice

How can water, a polar molecule, cross biological membranes rapidly?


A) It is small enough to slip through the hydrophobic part of the bilayer.
B) The diffusion of water is facilitated by aquaporins.
C) Water is actively pumped across the membrane.
D) Water enters cells together with ions.
E) Both b and d

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