G-alpha is not only an activator of Adenylate cyclase, but it is a GTPase. How does mutation in G-alpha that decreases its GTPase activity affect liver cell responses to epinephrine? O It would increase glycogen phosphorylase activity. O It would decrease proliferation. O It would increase secretion of epinephrine. O All of the above O It would decrease protein kinase A activity.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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QUESTION 5
G-alpha is not only an activator of Adenylate cyclase, but it is a GTPase. How does mutation in G-alpha that decreases its GTPase activity affect
liver cell responses to epinephrine?
O It would increase glycogen phosphorylase activity.
O It would decrease proliferation.
O It would increase secretion of epinephrine.
All of the above
O It would decrease protein kinase A activity.
Transcribed Image Text:QUESTION 5 G-alpha is not only an activator of Adenylate cyclase, but it is a GTPase. How does mutation in G-alpha that decreases its GTPase activity affect liver cell responses to epinephrine? O It would increase glycogen phosphorylase activity. O It would decrease proliferation. O It would increase secretion of epinephrine. All of the above O It would decrease protein kinase A activity.
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