Which of the following statements is correct concerning the variation of voltage-gated ion channels?
A) Na+ channels have much greater diversity than K+ channels.
B) Typically, a more complex nervous system also contains a greater diversity of channels.
C) There is a great diversity of channels, but within a single organism, only one isoform of a channel can exist.
D) There is a large diversity of channels, but they show no physiological significance.
Answer: B
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