Glycogen Metabolism: Regulation of Glycogen
About the Lecture
The lecture Glycogen Metabolism: Regulation of Glycogen by Kevin Ahern, PhD is from the course Carbohydrate Metabolism.
Included Quiz Questions
Which of the following statements regarding the regulation of glycogen metabolism is NOT true?
- Glycogen phosphorylase b is the active form of the enzyme.
- Phosphorylase kinase is activated by phosphorylation.
- Glycogen synthase is inactivated by protein kinase a.
- The G-protein is inactivated by the conversion of GTP to GDP.
- GDP is released from the alpha subunit of the G-protein and replaced by GTP.
Which of the following is true of phosphodiesterase?
- It converts cAMP into AMP.
- It catalyzes the formation of cAMP.
- It inhibits the production of caffeine.
- It requires ATP.
- It is stimulated by caffeine.
Which of the following hormones participates in the catabolism of glycogen?
- Glucagon
- FS-hormone
- Insulin
- Renalase
- Somatostatin
Which one of the following signaling molecules promotes the breakdown of glycogen?
- cAMP
- cGMP
- ATP
- Na+
- Inositol triphosphate
Which one of the following enzymes reverses the action of protein kinase A?
- Phosphatase
- Protein kinase B
- Glycogen synthase
- Adenylate cyclase
- Phosphorylase a
Which one of the following enzymes is deactivated by epinephrine binding to the beta-adrenergic receptor?
- glycogen synthase
- protein kinase A
- phosphorylase kinase
- adenylate cyclase
- phosphorylase a
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Author of lecture Glycogen Metabolism: Regulation of Glycogen
Kevin Ahern, PhD
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