Regarding the Role They Play in Behavior,neurotransmitters

Multiple Choice

Regarding the role they play in behavior,neurotransmitters:

A) are very specific, with a separate neurotransmitter for each behavior
B) may affect a variety of behaviors depending on the size of the action potential produced
C) influence behavior because of the action of a particular postsynaptic neuron's function
D) convert enzymes at particular synapses