Which of the following is a chemical messenger?
A) synaptic vesicles
B) receptor sites
C) neurotransmitters
D) potassium ions

Question

Quizplus · Accepted Answer

Neurotransmitters are chemical messengers that transmit signals between neurons or from neurons to muscles or glands. Synaptic vesicles store neurotransmitters, receptor sites are where neurotransmitters bind to on the postsynaptic neuron or target cell, and potassium ions are simply charged particles involved in electrical signaling but not considered chemical messengers.

Which of the Following Is a Chemical Messenger