Which channels open to allow a membrane to rapidly repolarize after an action potential? Group of answer choices voltage-gated Ca2+ channels voltage-gated K+ channels K+ leak channels All of the above
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Which channels are open at rest, in a nerve cell? Choose one best available answer Voltage-gated Na+ channels Light-activated channels Resting membrane potential channels Leak K+ channels Voltage-gated K+ channels Ligand-gated non-selective channels Ligand gated K+ channels Voltage-gated Ca2+ channels
Sri K.
The rapid repolarization of the membrane in an action potential is caused by none of the above opening of voltage-gated K+ channels in response to peak depolarization closing of the slow inactivation gates on Na+ channels opening of voltage-gated K+ channels in response to the initial threshold depolarization opening of voltage gated Ca2+ channels in the axon terminal
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The channels that open when the axolemma reaches threshold depolarization are the:
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