The major known classes of neurotransmitters and/or neuromodulators include each of the following except
A)Amino acids
B)Cyclic nucleotides
C)Neuropeptides
D)ACh
E)Biogenic amines

Question

Quizplus · Accepted Answer

While cyclic nucleotides do play a role in cellular signaling, they are not considered major classes of neurotransmitters or neuromodulators. The other options listed are all established classes of neurotransmitters and neuromodulators.

The Major Known Classes of Neurotransmitters And/or Neuromodulators Include Each