What property of the voltage-gated potassium channels allows K+ ions to pass? Choose the correct option
A) Two polypeptide subunits are synthesized when the membrane is depolarized, allowing the K+ ions to pass.
B) Depolarization causes the subunits to disintegrate so K+ ions can pass through the membrane.
C) The voltage-gated potassium channels open when the polypeptide sub-units are disinhibited.
D) Depolarization causes the four polypeptide subunits specific to the voltage-gated K+ channel to twist into a shape that allows the K+ ions to pass.
Ans: D
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