When comparing action potentials to graded potentials, an/two important distinguishing characteristic/s is/are
A) graded potentials can undergo summation.
B) action potentials can undergo summation and the rate of action potentials is limited by the refractory period.
C) action potentials can undergo summation.
D) graded potentials can undergo summation and the rate of action potentials is limited by the refractory period.
E) that the rate of action potentials is limited by the refractory period.
D) graded potentials can undergo summation and the rate of action potentials is limited by the refractory period.
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