Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the key enzyme involved in glycogenesis?
What is the key enzyme involved in glycogenesis?
- Fructose-6-phosphate
- Glycogen phosphorylase
- Glycogen synthase (correct)
- Glucose-6-phosphatase
Which mechanism regulates both glycogenesis and glycogenolysis?
Which mechanism regulates both glycogenesis and glycogenolysis?
- Allosteric regulation (correct)
- Competitive inhibition
- Negative feedback
- Covalent modification
Which regulatory mechanism involves the binding of a hormone to its receptor on the cell membrane?
Which regulatory mechanism involves the binding of a hormone to its receptor on the cell membrane?
- Allosteric regulation
- Feedback inhibition
- Hormonal regulation (correct)
- Competitive inhibition
What is the primary function of glycogen phosphorylase?
What is the primary function of glycogen phosphorylase?
Signup and view all the answers
Which molecule(s) lead to an increase in glycogen synthesis during the fed state?
Which molecule(s) lead to an increase in glycogen synthesis during the fed state?
Signup and view all the answers
In the fasting state, what leads to an increase in glycogenolysis?
In the fasting state, what leads to an increase in glycogenolysis?
Signup and view all the answers
Which form of glycogen synthase is catalyzed by cAMP-dependent protein kinase to convert it from active to inactive during the fasting state?
Which form of glycogen synthase is catalyzed by cAMP-dependent protein kinase to convert it from active to inactive during the fasting state?
Signup and view all the answers
What leads to the phosphorylation of inactive GP-’b’ into active GP-‘a’ during the fasting state?
What leads to the phosphorylation of inactive GP-’b’ into active GP-‘a’ during the fasting state?
Signup and view all the answers
Under uncontrolled diabetes mellitus, what is the activity level of glycogen synthase?
Under uncontrolled diabetes mellitus, what is the activity level of glycogen synthase?
Signup and view all the answers
