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Questions and Answers
What is the end product of glycogenolysis after glucose-1-phosphate?
What is the end product of glycogenolysis after glucose-1-phosphate?
Which hormone activates glycogen breakdown in the liver?
Which hormone activates glycogen breakdown in the liver?
What inhibits the process of glycogenolysis?
What inhibits the process of glycogenolysis?
In which tissues does glycolysis primarily proceed after glycogenolysis?
In which tissues does glycolysis primarily proceed after glycogenolysis?
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From where are glucose molecules removed during glycogenolysis?
From where are glucose molecules removed during glycogenolysis?
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Study Notes
Glycogenolysis
- Glycogenolysis is the breakdown of glycogen into glucose
- Glycogen is broken down into glucose
- Glucose molecules are removed one at a time from the end of the glycogen chain. This yields glucose-1-phosphate.
- Glycogenolysis is activated by glucagon (in the liver) and epinephrine (in the muscle)
- Glycogenolysis is inhibited by insulin
- Glucose-1-phosphate is converted to glucose-6-phosphate
- Glucose-6-phosphate enters glycolysis (in liver and kidneys) to produce glucose.
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Description
This quiz covers the biochemical process of glycogenolysis, detailing how glycogen is broken down into glucose. Key mechanisms, including activation by glucagon and epinephrine, as well as the inhibiting role of insulin, are discussed. Understand the conversion of glucose-1-phosphate to glucose-6-phosphate and its entry into glycolysis.
