The G protein-mediated cascade stimulated by epinephrine results in the phosphorylation of two key enzymes. The eventual results of this phosphorylation are the _______ of glycogen synthase and the _______ of glycogen phosphorylase.
A) stimulation; stimulation
B) stimulation; inhibition
C) inhibition; stimulation
D) inhibition; inhibition
E) inhibition; introversion

Question

The G protein-mediated cascade stimulated by epine­phrine results in the phosphorylation of two key enzymes. The eventual results of this phosphorylation are the _______ of glycogen synthase and the _______ of glycogen phosphorylase.
A) stimulation; stimulation
B) stimulation; inhibition
C) inhibition; stimulation
D) inhibition; inhibition
E) inhibition; introversion

Quizplus · Accepted Answer

The phosphorylation of glycogen synthase results in its inhibition, while the phosphorylation of glycogen phosphorylase results in its stimulation, leading to glycogen breakdown.

The G Protein-Mediated Cascade Stimulated by Epine­phrine Results in the Phosphorylation

The G Protein-Mediated Cascade Stimulated by Epinephrine Results in the Phosphorylation