Biology, 19.12.2019 20:31 jenistha123
In exercising muscle, glycogen degradation supplies the muscle with glucose‑6‑phosphate. in order to stimulate muscle glycogen degradation, protein phosphatase 1 (pp1) must be inhibited. four of the five events are involved in the inactivation of pp1 in exercising muscle. which event is not involved?
a. epinephrine initiates a signal transduction cascade that utilizes protein kinase a.
b. phosphorylated pp1 inhibitor binds to pp1, facilitating glycogen degradation by phosphorylase a.
c. protein kinase a phosphorylates gm in the gm-pp1 complex, resulting in its dissociation.
d. insulin initiates a protein kinase cascade that utilizes glycogen synthase kinase.
e. protein kinase a phosphorylates an inhibitor of pp1.
Answers: 1
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