PLZ HELP QUICKLY What is an action potential?
A. An action potential is a sudden reversal of the electrical charge across the membrane of a resting neuron.
B. An action potential is a slow reversal of the electrical charge across the membrane of a resting neuron.
C. An action potential is a sudden reversal of the chemical charge across the membrane of a resting neuron.
D. An action potential is a sudden reversal of the electrical charge across the membrane of an active neuron.