Someone goes for a jog first thing in the morning and encounters a squadron of javelinas, causing a release of epinephrine. Some of this circulating epinephrine binds to a G-alpha-s coupled receptor (GPCR) on the surface of muscle cells. Which of the following would occur in the muscle cell as a result of this activation? Nitric oxide synthesis would increase. cyclic AMP (cAMP) activity would increase. Phospholipase C (PLC) would hydrolyze (cut) the molecule PIP2. The levels of adenylate cyclase activity would decrease.       The levels of adenylate cyclase activity would decrease. Which ligand is CORRECTLY matched with its characteristic? Group of answer choices Glucagon: stimulates the activation of the mitogen activated protein (MAP) kinase pathway Nitric oxide (NO): must bind to its target protien withn a few seconds because NO degrades rapidly Steroid hormone: produces a response in its target cells within seconds Acetylcholine: hydrophobic molecule that binds to an intracellular receptor.

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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Someone goes for a jog first thing in the morning and encounters a squadron of javelinas, causing a release of epinephrine. Some of this circulating epinephrine binds to a G-alpha-s coupled receptor (GPCR) on the surface of muscle cells. Which of the following would occur in the muscle cell as a result of this activation?

Nitric oxide synthesis would increase.
cyclic AMP (cAMP) activity would increase.
Phospholipase C (PLC) would hydrolyze (cut) the molecule PIP2.
The levels of adenylate cyclase activity would decrease.
 
 
 
The levels of adenylate cyclase activity would decrease. Which ligand is CORRECTLY matched with its characteristic?
Group of answer choices
Glucagon: stimulates the activation of the mitogen activated protein (MAP) kinase pathway
Nitric oxide (NO): must bind to its target protien withn a few seconds because NO degrades rapidly
Steroid hormone: produces a response in its target cells within seconds
Acetylcholine: hydrophobic molecule that binds to an intracellular receptor.
 
 
 
 
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