During what part of the action potential do voltage-gated Na+ channels begin to inactivate (their inactivation gates close)? View Available Hint(s) During what part of the action potential do voltage-gated Na+ channels begin to inactivate (their inactivation gates close)? at the beginning of an action potential, as the membrane potential reaches threshold at the end of the depolarization phase, as the membrane potential approaches its peak value at the end of the hyperpolarization phase of an action potential, as the membrane potential returns to its resting value at the end of the repolarization phase, as the membrane potential briefly passes its resting value

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08-04-2019
Biology

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During what part of the action potential do voltage-gated Na+ channels begin to inactivate (their inactivation gates close)? View Available Hint(s) During what part of the action potential do voltage-gated Na+ channels begin to inactivate (their inactivation gates close)? at the beginning of an action potential, as the membrane potential reaches threshold at the end of the depolarization phase, as the membrane potential approaches its peak value at the end of the hyperpolarization phase of an action potential, as the membrane potential returns to its resting value at the end of the repolarization phase, as the membrane potential briefly passes its resting value

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19fbrant 19fbrant · Answer 1 · 2019-04-08T19:02:12+02:00

During what part of the action potential do voltage-gated Na+ channels begin to inactivate (their inactivation gates close)? View Available Hint(s) During what part of the action potential do voltage-gated Na+ channels begin to inactivate (their inactivation gates close)? at the beginning of an action potential, as the membrane potential reaches threshold at the end of the depolarization phase, as the membrane potential approaches its peak value at the end of the hyperpolarization phase of an action potential, as the membrane potential returns to its resting value at the end of the repolarization phase, as the membrane potential briefly passes its resting value

aliasger2709 aliasger2709 · Answer 2 · 2021-12-01T12:45:05+01:00

When the nerve cells transmit the information down the cell towards the axon away from its body are called an action potential.

The correct answer is:

Option B. the membrane potential reaches the threshold at the end of the depolarization phase

This can be explained by:

Voltage-gated Na(+) channels start action potentials thereby giving rise to the speedy transmission of electrical signals along the cell membranes and between cells.

Depolarization of the cell layer induces VGSCs to open but also gives rise to a nonconducting situation termed inactivation.

So when the Na (+) channels start shifting to an inactive state it stops becoming positive and thus ends the depolarization step.

Following the K (+) channel initiates the opening and the ions rush out from the neuron.

Therefore, at the end of depolarization, the voltage-gated Na (+) channels begin to inactivate.

To learn more about voltage-gated K+ and Na+ channels follow the link:

https://brainly.com/question/11495100