Whether a Particular Neurotransmitter Is Excitatory or Inhibitory Is Associated

Multiple Choice

Whether a particular neurotransmitter is excitatory or inhibitory is associated with:

A) the chemical structure of the neurotransmitter.
B) whether or not the neurotransmitter molecules had been in flat or round vesicles.
C) the type of postsynaptic neuron.
D) the brain region in which it is released.