Asked by Robin Sparks on Apr 23, 2024
Verified
Which molecule acts as a retrograde messenger at many synapses?
A) GABA
B) Glycine
C) Serotonin
D) Substance P
E) Nitric oxide
Retrograde Messenger
A substance that communicates backward from the post-synaptic to the pre-synaptic nerve cell, influencing it.
Nitric Oxide
A gaseous signaling molecule involved in various physiological and pathological processes within the body, including vasodilation and neurotransmission.
- Understand the role of neurotransmitters and their significance in the process of neural signaling.
Verified Answer
MR
Monika Ranganathan7 days ago
Final Answer :
E
Explanation :
Nitric oxide acts as a retrograde messenger in many synapses, meaning it is produced and released by the postsynaptic neuron and then travels back to the presynaptic neuron to modulate neurotransmitter release.
Learning Objectives
- Understand the role of neurotransmitters and their significance in the process of neural signaling.
Related questions
Many Neurotransmitter Receptors Are Chemically Activated Ion Channels Known As ...
In Alzheimer's Disease, Neurons That Secrete Which Neurotransmitter Are Particularly ...
Many of the Side Effects of the Tricyclic Antidepressants Are ...
How Do Neurons Communicate with Each Other
What Do Neurotransmitters Do ...