Which type of sensory receptor primarily uses separate cells or G-protein-coupled mechanisms to influence channel activity?
Understand the Problem
The question is asking which type of sensory receptor primarily utilizes separate cells or G-protein-coupled mechanisms to influence channel activity. It presents four options related to different types of sensory receptors.
Answer
G-protein-coupled receptors (GPCRs).
Sensory receptors that primarily use separate cells or G-protein-coupled mechanisms to influence channel activity are G-protein-coupled receptors (GPCRs).
Answer for screen readers
Sensory receptors that primarily use separate cells or G-protein-coupled mechanisms to influence channel activity are G-protein-coupled receptors (GPCRs).
More Information
GPCRs are involved in detecting sensory inputs such as taste, smell, and vision. They use a mechanism involving heterotrimeric G-proteins to initiate cellular responses.
Tips
It's important not to confuse G-protein-coupled receptors (GPCRs) with ionotropic receptors, which function via direct ion channel gating.
Sources
- Sensory receptors in taste, smell, and vision - ScienceDirect Topics - sciencedirect.com
- Olifactory, Taste, and Photo Sensory Receptors - Frontiersin.org - frontiersin.org
- The structure and function of G-protein-coupled receptors - PMC - pmc.ncbi.nlm.nih.gov
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