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?
a. It would increase glycogen phosphorylase activity.
b. It would decrease proliferation.
c. It would increase secretion of epinephrine.
d. All of the above
e. It would decrease protein kinase A activity.