metabolism glycogenolysis in skeletal muscle

Question 1

Neurotransmitter epinephrine (adrenalin) is released during ??? levels from the adrenal medulla

Answer 1

low blood glucose

Question 2

Epinephrine binds to the ??? (G protein coupled receptors, GPCRs) expressed on muscle cell wall which stimulates adenylyl cyclase, creating cAMP, stimulating protein kinase pathway, leading to ???

Answer 2

beta-adrenergic receptors
glycogenolysis

Question 3

this skeletal muscle glycogenolysis pathway (glucose liberation) activates ??? and inhibits ???

Answer 3

glycogen phosphorylase
glycogen synthase enzyme