How long does it take for a voltage-gated potassium channel to open? Choose the correct option
A) Voltage-gated potassium channels take about 3 msec to open after depolarization.
B) Voltage-gated potassium channels open as soon as the membrane is depolarized beyond threshold.
C) Voltage-gated potassium channels do not open immediately upon depolarization; they take about 1 msec to open after the membrane is depolarized.
D) Voltage-gated potassium channels open when action potential fire at maximal frequency.
Ans: C
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