Which type of GPCR is primarily known for its role in neurotransmitter signaling?
Understand the Problem
The question is asking about the type of G protein-coupled receptors (GPCRs) that are mainly associated with neurotransmitter signaling. It presents multiple choice options to identify which receptor is primarily known for this function.
Answer
Metabotropic receptor
The type of GPCR known for its role in neurotransmitter signaling is the metabotropic receptor.
Answer for screen readers
The type of GPCR known for its role in neurotransmitter signaling is the metabotropic receptor.
More Information
Metabotropic receptors, a type of GPCR, are involved in neurotransmitter signaling by activating G-proteins once a neurotransmitter binds to them, which then triggers various intracellular processes.
Tips
Confusion can arise between ionotropic and metabotropic receptors. Ionotropic receptors directly open ion channels, whereas metabotropic receptors work through G-proteins and slower signal transmission.
Sources
- Neurotransmitter Action: G-Protein-Coupled Receptors - openbooks.lib.msu.edu
- Biochemistry, G Protein Coupled Receptors - StatPearls - ncbi.nlm.nih.gov
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