How does the sodium channel selectivity filter differentiate Na+ and K+ ions? Choose the correct option
A) K+ ions have the wrong charge.
B) The K+ ions are stripped of all their water molecules but the Na+ ions are not.
C) Sodium channel admits a Na+ water complex with the water serving as a molecular chaperone through the channel.
D) K+ is excluded by voltage gating.
Ans: C
Health & Biomechanics
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