12. Fill in the blanks with the best answer from the list below. Answers are used only once, but not all are used. G-protein-coupled receptors (GPCRS) all have a similar structure with seven transmembrane domains. When a GPCR binds an extracellular signal, an intracellular G protein, composed of BLANK subunits, becomes activated. BLANK of the G-protein subunits are tethered to the plasma membrane by short lipid tails. When unstimulated, the a subunit contains BLANK, which is exchanged for BLANK on stimulation. The intrinsic BLANK activity of the a subunit is important for inactivating the G protein. BLANK inhibits this activity of the a subunit, thereby keeping the subunit in an active state. adenylyl cyclase Ca2+ cholera toxin CAMP diacylglycerol five four GDP phosphodiesterase AMP seven three ATP ATPase GTP twelve GTPase two
12. Fill in the blanks with the best answer from the list below. Answers are used only once, but not all are used. G-protein-coupled receptors (GPCRS) all have a similar structure with seven transmembrane domains. When a GPCR binds an extracellular signal, an intracellular G protein, composed of BLANK subunits, becomes activated. BLANK of the G-protein subunits are tethered to the plasma membrane by short lipid tails. When unstimulated, the a subunit contains BLANK, which is exchanged for BLANK on stimulation. The intrinsic BLANK activity of the a subunit is important for inactivating the G protein. BLANK inhibits this activity of the a subunit, thereby keeping the subunit in an active state. adenylyl cyclase Ca2+ cholera toxin CAMP diacylglycerol five four GDP phosphodiesterase AMP seven three ATP ATPase GTP twelve GTPase two
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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