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Questions and Answers
What is the enzyme that converts PF-KINASE-2 into F-2,6-BISPHOSPHATASE?
What is the enzyme that converts PF-KINASE-2 into F-2,6-BISPHOSPHATASE?
- Insulin
- Protein kinase A (correct)
- Adenylyl cyclase
- Glucagon
What happens to glucagon secretion when blood glucose levels drop?
What happens to glucagon secretion when blood glucose levels drop?
- It remains unchanged
- It increases (correct)
- It falls
- It becomes erratic
What happens when glucagon binds receptors on liver cells?
What happens when glucagon binds receptors on liver cells?
- It activates adenylyl cyclase (correct)
- It inhibits PKA
- It activates insulin production
- It hydrolyzes F-2,6-BP
What is the role of cAMP in the regulation of PKA?
What is the role of cAMP in the regulation of PKA?
What happens to the bifunctional PFK-2/F-2,6-BPase when it is phosphorylated by PKA?
What happens to the bifunctional PFK-2/F-2,6-BPase when it is phosphorylated by PKA?
What happens to the liver when it stops consuming glucose?
What happens to the liver when it stops consuming glucose?
What happens to pancreatic insulin production when blood glucose levels drop?
What happens to pancreatic insulin production when blood glucose levels drop?
What is the effect of glucagon on liver cells?
What is the effect of glucagon on liver cells?
What is the role of PKA in the interconversion of PF-KINASE-2 and F-2,6-BISPHOSPHATASE?
What is the role of PKA in the interconversion of PF-KINASE-2 and F-2,6-BISPHOSPHATASE?
What is the effect of circulating glucagon on blood glucose levels?
What is the effect of circulating glucagon on blood glucose levels?
What is the effect of phosphorylation on the activity of the bifunctional PFK-2/F-2,6-BPase?
What is the effect of phosphorylation on the activity of the bifunctional PFK-2/F-2,6-BPase?
What is the effect of falling blood glucose levels on insulin production?
What is the effect of falling blood glucose levels on insulin production?
What is the enzyme that converts PF-KINASE-2 into F-2,6-BISPHOSPHATASE?
What is the enzyme that converts PF-KINASE-2 into F-2,6-BISPHOSPHATASE?
What happens to glucagon secretion when blood glucose levels drop?
What happens to glucagon secretion when blood glucose levels drop?
What happens when glucagon binds receptors on liver cells?
What happens when glucagon binds receptors on liver cells?
What is the role of cAMP in the regulation of PKA?
What is the role of cAMP in the regulation of PKA?
What happens to the bifunctional PFK-2/F-2,6-BPase when it is phosphorylated by PKA?
What happens to the bifunctional PFK-2/F-2,6-BPase when it is phosphorylated by PKA?
What happens to the liver when it stops consuming glucose?
What happens to the liver when it stops consuming glucose?
What happens to pancreatic insulin production when blood glucose levels drop?
What happens to pancreatic insulin production when blood glucose levels drop?
What is the effect of glucagon on liver cells?
What is the effect of glucagon on liver cells?
What is the role of PKA in the interconversion of PF-KINASE-2 and F-2,6-BISPHOSPHATASE?
What is the role of PKA in the interconversion of PF-KINASE-2 and F-2,6-BISPHOSPHATASE?
What is the effect of circulating glucagon on blood glucose levels?
What is the effect of circulating glucagon on blood glucose levels?
What is the effect of phosphorylation on the activity of the bifunctional PFK-2/F-2,6-BPase?
What is the effect of phosphorylation on the activity of the bifunctional PFK-2/F-2,6-BPase?
What is the effect of falling blood glucose levels on insulin production?
What is the effect of falling blood glucose levels on insulin production?
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