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They initiate signal transduction which consists of converting extracellular hormone signal to intracellular signal that creates an action.

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14y ago
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4mo ago

G-proteins are signal transducers that help relay extracellular signals to the cell's interior, initiating a cascade of signaling events. They act as molecular switches, becoming activated and triggering downstream signaling pathways in response to ligand binding to G-protein-coupled receptors (GPCRs). This activation ultimately leads to various cellular responses.

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Q: What is the role of a G-protein?
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