What is a key feature of G-protein coupled receptors?

Understand the Problem

The question is asking for information regarding G-protein coupled receptors and seeks to identify a significant characteristic that defines them.

Answer

Seven-transmembrane domain structure.

A key feature of G-protein-coupled receptors (GPCRs) is that they have a seven-transmembrane domain structure, allowing them to transduce extracellular signals into cellular responses.

Answer for screen readers

A key feature of G-protein-coupled receptors (GPCRs) is that they have a seven-transmembrane domain structure, allowing them to transduce extracellular signals into cellular responses.

More Information

G-protein-coupled receptors are involved in many physiological processes by responding to a diverse range of ligands, such as light, odors, hormones, and neurotransmitters. They play critical roles in cell signaling pathways.

Tips

A common mistake is to confuse the function of the seven-transmembrane domain with other protein or receptor types, each having distinct structural features.

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