Cell Signaling: Receptors
2.5(2)
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Last updated 6:07 PM on 8/9/22
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14 Terms
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Α subunit
________ and β /γ dimer interact with other proteins in a signaling pathway.
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Signals
________ binding to cell surface are "first messenger.
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receptor complex
An activated hormone- ________ can act as a transcription factor, turning on specific genes.
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GTP
________ causes G protein to dissociate.
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G protein
Activated receptor activates ________.
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intracellular domains
Many receptors have ________ with enzyme function.
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Intracellular receptors
________: found in the cytosol or nucleus of target cells.
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Growth factor
________- hormone that acts to stimulate cell growth or division.
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Receptor tyrosine kinases
________: category of enzyme- linked receptors found in animals.
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Receptor tyrosine kinases
category of enzyme-linked receptors found in animals
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Growth factor
hormone that acts to stimulate cell growth or division
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example
Epidermal Growth Factor (EGF)
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Intracellular receptors
found in the cytosol or nucleus of target cells
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Three kinds of cell surface receptors
Enzyme-linked receptors (RTK)
G-protein coupled receptors (GPCR)
Ligand-gated ion channels
G-protein coupled receptors (GPCR)
Ligand-gated ion channels
