What is the primary function of G-protein coupled receptors (GPCRs) in cell sign

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Question: What is the primary function of G-protein coupled receptors (GPCRs) in cell signaling?

Options:

Correct Answer: Activate intracellular signaling pathways

Solution:

GPCRs primarily function to activate intracellular signaling pathways upon binding to ligands.

What is the primary function of G-protein coupled receptors (GPCRs) in cell signaling?

What is the primary function of G-protein coupled receptors (GPCRs) in cell signaling?

Step 1: Understand that GPCRs are proteins located on the surface of cells.
Step 2: Know that GPCRs interact with molecules called ligands (like hormones or neurotransmitters).
Step 3: When a ligand binds to a GPCR, it changes the shape of the receptor.
Step 4: This shape change activates a G-protein inside the cell.
Step 5: The activated G-protein then triggers other proteins or pathways inside the cell.
Step 6: These pathways lead to various cellular responses, such as changes in gene expression or cell behavior.

No concepts available.