Action potentials differ from graded potentials in that __________.

A) action potentials, but not graded potentials, can be triggered by the opening of gated ion channels
B) action potentials propagate along an axon away from the cell body, whereas graded potentials propagate toward the cell body
C) action potentials are hyperpolarizations, whereas graded potentials are depolarizations
D) only action potentials occur at the axon hillock of a neuron
E) action potentials are all of the same magnitude


Answer: E) action potentials are all of the same magnitude

Biology & Microbiology

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