12 Questions
What is the enzyme responsible for the interconversion of PF-KINASE-2 into F-2,6-BISPHOSPHATASE?
Protein kinase A
What is the result of glucagon binding to receptors on liver cells?
Activation of PKA
What happens to circulating glucagon levels when blood glucose levels drop?
They increase
What molecule does adenylyl cyclase convert ATP into?
cAMP
What is the function of phosphorylated PFK-2/F-2,6-BPase?
It hydrolyzes F-2,6-BP
What happens to liver glucose consumption when PKA is activated?
It decreases
What hormone stimulates glucagon secretion?
Insulin
What is the primary function of PKA in this pathway?
To phosphorylate PFK-2/F-2,6-BPase
What is the result of hydrolyzing F-2,6-BP?
Inhibition of glycolysis
What is the effect of glucagon binding to receptors on liver cells?
Inhibition of glucose consumption
What happens to pancreatic insulin production when blood glucose levels drop?
It decreases
What is the result of activating PKA in liver cells?
Activation of glucose production
Test your knowledge on the regulation of glucose metabolism with our quiz on PKA and F-2,6-BP! Learn about the conversion of bifunctional enzyme PF-KINASE-2, the role of cAMP-dependent protein kinase A (PKA), and how hormones like glucagon impact glucose levels. Put your understanding to the test with our quiz today!
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