The arranged events in respect to the function of the channels, ion permeability, and changes in membrane potential from top to bottom include:
1. opening of voltage-gated Na+ channels
2. Na+ ion flow into the neuron increases
3. depolarization of the membrane to +30 mV
4. K+ ion flow out of the neuron increases
5. repolarization of the membrane.
<h3>What is Membrane potential?</h3>
This is defined as the difference in electric potential between the interior and exterior parts of a biological cell and also refers to the potential gradient which facilitates the movement of ions in a cell in one direction.
In a cell, the series of events which occur according the variables such as ion permeability is opening of voltage-gated Na+ channels and is usually ended by the repolarization of the membrane.
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