Glycogen Metabolism
About the Lecture
The lecture Glycogen Metabolism by Kevin Ahern, PhD is from the course Metabolic Control.
Included Quiz Questions
What occurs in the hormonal regulation of sugar metabolism?
- Adrenaline and insulin have opposite effects on the liver.
- Adrenaline stimulates the liver to absorb glucose from the bloodstream.
- Insulin stimulates muscles to produce glucose when needed.
- Adrenaline and insulin work together to reduce blood glucose levels.
Which of the following statements is NOT true regarding glycogen metabolism?
- At high glucose levels in the blood, insulin stimulates the excretion of glucose-1-phosphate from the liver cells.
- The insulin binding to body cells stimulates the uptake of glucose from the blood and the synthesis of glycogen.
- The conversion of glucose-1-phosphate to glucose-6-phosphate occurs via enzyme phosphoglucomutase.
- The insulin binding to liver cell receptors stops the release of glucose from liver cells by stopping the breakdown of glycogen due to the deactivation of the phosphorylase-a enzyme.
- Phosphorylated protein kinase A enzyme activates phosphorylase kinase enzyme, whereas it has an inhibitory effect on the activity of glycogen synthase.
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Author of lecture Glycogen Metabolism
Kevin Ahern, PhD
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