What governs the opening of the potassium channels, which establish the resting membrane potential in the plasma membrane of a neuron?

A) The potassium channels open in response to an influx of sodium ions (Na+) into the neuron.
B) The potassium channels open in response to an increase in the membrane potential.
C) The potassium channels open after binding a neurotransmitter.
D) The potassium channels are always open.
E) The potassium channels open in response to a decrease in the membrane potential.


Answer: D) The potassium channels are always open.

Biology & Microbiology

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