All of the following are typical characteristics of neurotransmitters except
A) they are synthesized by a presynaptic neuron.
B) they are released in response to stimulation.
C) they are released into the bloodstream before reaching the postsynaptic cell.
D) they bind to specific receptors on the postsynaptic cell.
E) they alter the physiology of the postsynaptic cell.

Question

Quizplus · Accepted Answer

Neurotransmitters are typically released into the synaptic cleft (the small gap between neurons) rather than into the bloodstream. The bloodstream is more commonly associated with the transport of hormones, not neurotransmitters.

All of the Following Are Typical Characteristics of Neurotransmitters Except