Question

During the depolarization phase of the action potential (AP) the membrane potential (particularly in alpha motor neurons) reaches a peak of approximately ? +70 mV ? -55 mV ? +30 mV ? +55 mV ? -30 mV

          During the depolarization phase of the action potential (AP) the membrane potential (particularly in alpha motor neurons) reaches a peak of approximately
? +70 mV
? -55 mV
? +30 mV
? +55 mV
? -30 mV

Added by Daniel L.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

Instant Answer

Solved by Expert Madhur L

05/16/2023

Step 1

This is due to the influx of sodium ions ($Na^+$) into the neuron. Show more…

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During the depolarization phase of the action potential (AP) the membrane potential (particularly in alpha motor neurons) reaches a peak of approximately O +70 mV O -55 mV O +30 mV O +55 mV O -30 mV