Second messengers are formed in the
A) presynaptic neuron.
B) postsynaptic neuron.
C) synaptic cleft.
D) vesicles.
E) mitochondria.

Question

Quizplus · Accepted Answer

Second messengers are formed within the postsynaptic neuron, in response to the binding of a neurotransmitter to a receptor on the postsynaptic membrane. These second messengers can then activate intracellular signaling pathways that ultimately result in changes in the neuron's activity or gene expression.

Second Messengers Are Formed in the