Originally It Was Thought That Neurons Transmitted Signals Through an All

Multiple Choice

Originally it was thought that neurons transmitted signals through an all or none principle,where the neuron fired at full strength or not at all.It is now understood that this is not the case,and that neurons transmit messages through

A) poly-synaptic hyperpolarization.
B) enzymatic degradation depolarizations.
C) graded electrical potentials.
D) potassium reuptake pumps.