The membrane potential seeks the equilibrium potential of the ion whose permeability is dominant.
a. true
b. false

The answer to the question: The membrane potential seeks the equilibrium potential of the ion whose permeability is dominant, would be, True.

Explanation:

When a cell needs to prepare to activate itself, or start what is known as an action potential, there needs to be a change in the polarity that is constant over the cell membrance. Usually, this polarity tends to be primarily negative on the inside thanks to the anions, and positive on the extracellular side, thanks to the concentration, particularly of sodium ions. In general, and without stimulus, this resting membrane will not activate or generate anything. However, when the cell activates, several channels, both leakage and gated, will activate to allow the two most important ions, sodium and potassium, to leak in and out of the cell to generate an electrical gradient. In order to restore this, and return to resting, the cell´s membrane must restore its potential, and thus, it will activate the channels of the dominant ion, to restore the balance. In fact, normally, there are leakage potassium channels in the cell membrane that allow potassium to leak out of the cell, helping to maintain the negativity of the cytoplasm, and the stability.

answer:

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explanation: