Following statements are made regarding glycogen phosphorylase and glycogen synthase activities in relation to their phosphorylation status:
A. Phosphorylation of glycogen phosphorylase increases its activity
B. Phosphorylation of glycogen phosphorylase decreases its activity
C. Phosphorylation of glycogen synthase increases its activity
D. Phosphorylation of glycogen synthase decreases its activity
Which one of the following is a combination of correct statements?
1
A and C
2
B and C
3
B and D
4
A and D