G-Protein Coupled Vs. Protein Kinase Flashcards

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1
Q

G protein - coupled

A

When a ligand (signal) attaches to the receptor, GTP replaces GDP on the alpha subunit, then affecting the effector protein, making GTP hydrolyzed to GDP + P

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2
Q

Intracellular Receptors

A

Where: inside the cell (cytoplasm or nucleus)
Memorize: intra = inside
Ligands are small nonpolar / hydrophobic molecules that can press through the cell membrane

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3
Q

Protein Kinase Signaling

A

transduce signals from the cell membrane into the interior of the cell.

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