Answer to Question #294146 in Biochemistry for Jesy

Question

Which of the following statements concerning the cases in which glycogen phosphorylase and glycogen synthase are phosphorylated under the action of cAMP-dependent protein kinase? (select one) 

a. one process is direct and the other is carried out by a cascade mechanism such as glycogen phosphorylase is activated and glycogen synthase is inactivated 

b. one process is direct and the other is carried out by a cascade mechanism 

c. one process is direct and the other is carried out by a cascade mechanism and both enzymes are inactivated 

d. both processes are performed by a cascade mechanism as glycogen phosphorylase is activated and glycogen synthase is inactivated 

Answer 1

a. one process is direct and the other is carried out by a cascade mechanism such as glycogen phosphorylase is activated and glycogen synthase is inactivated