Podcast
Questions and Answers
Which enzyme is lacking in muscle that prevents glucose-1-phosphate from being available to other tissues?
Which enzyme is lacking in muscle that prevents glucose-1-phosphate from being available to other tissues?
What is the major site of glucose consumption in the body?
What is the major site of glucose consumption in the body?
Which type of glycosidic linkage is present at the branch points of glycogen?
Which type of glycosidic linkage is present at the branch points of glycogen?
How much glycogen does the liver have under a well-fed state?
How much glycogen does the liver have under a well-fed state?
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What is the product of glycogenolysis in the liver?
What is the product of glycogenolysis in the liver?
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Study Notes
Enzyme Deficiency
- In muscle, the enzyme glucose-6-phosphatase is lacking, preventing glucose-1-phosphate from being available to other tissues.
Glucose Consumption
- The major site of glucose consumption in the body is the brain.
Glycogen Structure
- At the branch points of glycogen, an α-1,6 glycosidic linkage is present.
Liver Glycogen
- Under a well-fed state, the liver typically has around 5-10% of its mass as glycogen.
Glycogenolysis
- The product of glycogenolysis in the liver is glucose-6-phosphate.
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Description
Test your knowledge of glycogen metabolism in this quiz! Learn about the structure of glycogen and its role as a stored glucose source in the liver and skeletal muscle.
