In glycogenolysis, adrenaline acts on
Regulation of glycogen degradation by cAMP: The hormones like epinephrine and glucagon bring about glycogenolysis by their action on glycogen phosphorylase through cAMP. Glycogen phosphorylase exists in two forms, an active 'a' form and inactive form'b'.
Glucokinase
Hexokinase
Phosphorylase
None of the above