Which of the Following Statements Is Correct Concerning the Variation

Multiple Choice

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.