The "Threshold" Potential of a Membrane Is the ________

The "threshold" potential of a membrane is the ________.

A) point of separation from a living to a dead neuron
B) lowest frequency of action potentials a neuron can produce
C) minimum hyperpolarization needed to prevent the occurrence of action potentials
D) minimum depolarization needed to operate the voltage-gated sodium and potassium channels
E) peak amount of depolarization seen in an action potential