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
Correct Answer:

Verified
Correct Answer:
Verified
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