Multiple Choice 8. The opening of potassium channels in the axon is responsible for which part of the action potential? Depolarization of the membrane Resting potential Repolarization of the membrane Signalling release of neurotransmitters
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Step 1: The opening of potassium channels in the axon is responsible for repolarization of the membrane during the action potential. Show more…
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The opening of axon membrane voltage-gated potassium channels is responsible for which part of the action potential? Group of answer choices Repolarization of the membrane Depolarization of the membrane Contraction of the post synaptic muscle fibre Signaling vesicular release of neurotransmitters
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A neuron's ability to generate action potentials depends: Choice A., on the axon reaching threshold and the opening of voltage-gated sodium channels, allowing sodium to enter the axon. Choice B., on the axon reaching threshold and the opening of voltage-gated sodium channels, allowing sodium to leave the axon. Choice C., on the immediate opening of voltage-gated potassium channels once threshold has been reached, allowing potassium to leave the axon. Choice D., on the immediate opening of voltage-gated potassium channels once threshold has been reached, allowing potassium to enter the axon.
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