Podcast
Questions and Answers
What happens to glycolysis when ATP levels are high after a high carbohydrate intake?
What happens to glycolysis when ATP levels are high after a high carbohydrate intake?
- Glycolysis is activated by PFK2
- Glycolysis is inhibited (correct)
- Glycolysis remains unchanged
- Glycolysis is stimulated
What is the effect of insulin on PFK2?
What is the effect of insulin on PFK2?
- It inhibits glycolysis
- It dephosphorylates and deactivates PFK2
- It has no effect on PFK2
- It phosphorylates and activates PFK2 (correct)
What is the function of PFK2 in the liver?
What is the function of PFK2 in the liver?
- Convert fructose 6P to Fructose 2,6 bisP (correct)
- Inhibit glycolysis
- Activate pyruvate kinase
- Convert pyruvate to acetyl-CoA
What is the consequence of pyruvate kinase deficiency in RBCs?
What is the consequence of pyruvate kinase deficiency in RBCs?
What is the effect of glucagon on PFK2?
What is the effect of glucagon on PFK2?
What is the result of high AMP levels in the cell?
What is the result of high AMP levels in the cell?
Which of the following enzymes is inhibited by its product?
Which of the following enzymes is inhibited by its product?
What is the role of GLUT4 in skeletal muscles?
What is the role of GLUT4 in skeletal muscles?
What is the function of Glucokinase in liver cells?
What is the function of Glucokinase in liver cells?
What is the effect of AMP on Phosphofructokinase1 (PFK1)?
What is the effect of AMP on Phosphofructokinase1 (PFK1)?
Which of the following is not a kinetic parameter of GLUT1 and GLUT3?
Which of the following is not a kinetic parameter of GLUT1 and GLUT3?
What is the result of exercise on GLUT4 in muscles?
What is the result of exercise on GLUT4 in muscles?
What is the outcome when a long-term alcoholic patient with dehydration and thirst is infused with glucose (IV)?
What is the outcome when a long-term alcoholic patient with dehydration and thirst is infused with glucose (IV)?
What is the function of the pyruvate dehydrogenase enzyme?
What is the function of the pyruvate dehydrogenase enzyme?
What happens when citrate concentration increases in the citric acid cycle?
What happens when citrate concentration increases in the citric acid cycle?
What is the purpose of the electron shuttle in glycolysis?
What is the purpose of the electron shuttle in glycolysis?
What is the outcome when oxygen is necessary to accept high-energy electrons?
What is the outcome when oxygen is necessary to accept high-energy electrons?
What is the product of the breakdown of one glucose molecule in glycolysis?
What is the product of the breakdown of one glucose molecule in glycolysis?
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