Biochemistry Metabolism of carbohydrate 5ac8a556 Enzymes in glycogen metabolism A Phosphorylase a B Phosphorylase b C Glycogen Synthase II D Glycogen Synthase C High-Yield Explanation The liver phosphorylase-b is the inactive form. It becomes active on phosphorylation. The active enzyme is denoted as phosphorylase-a.Ref: DM Vasudevan, page no: 127