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Biochemistry Practice Test Questions: Principles of Metabolic Regulation - Glucose and Glycogen
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Avg score: 64% • Most missed: “Metabolic control analysis does not suggest that ___________”

Glucose is the sugar in our bloodstream that our body uses for energy. Glycogen is a stored form of energy. When there is too much glucose to be used, the extra glucose is converted to glycogen to be stored.

Topis covered include: Regulation of Metabolic Pathways, Coordinated Regulation of Glycolysis, Coordinated Regulation of Glycogen Synthesis and Breakdown, & Analysis of Metabolic Control.

Biochemistry Practice Test Questions: Principles of Metabolic Regulation - Glucose and Glycogen
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25 Questions

1. Which of the following statements is true about PFK-1?
2. Which one of the following statements about the control of enzyme activity by phosphorylation is correct?
3. Which of the following is involved in pentose phosphate pathway?
4. Which of the following type of metabolites is used for generating glucose under severe starvation conditions?
5. How many steps are catalyzed by different enzymes in glycolysis and gluconeogenesis?
6. Glucose 6-phosphatase is present only in ___________
7. Gluconeogenesis responds to which of the following?
8. When blood sugar levels fall, glycolysis is halted in liver to allow ___________
9. Which of the following enzymes is involved in the positive regulation of glycolysis/gluconeogenesis?
10. The rate of breakdown of metabolites is termed as ___________
11. Which compounds are responsible for the coordinated regulation of glucose and glycogen metabolism?
12. Some regulated enzymes rebalance the level of metabolites in response to the change in flux, this activity is ___________
13. Which out of the following statements is true about the regulation of metabolic pathway?
14. Diminished delivery of oxygen to tissues is termed as ___________
15. How many steps are catalyzed by the same enzymes in both glycolysis and gluconeogenesis?
16. The second control point in gluconeogenesis is the reaction catalyzed by ___________
17. Which of the following is a measure of the effect of an enzyme’s concentration on flux through a multi-enzyme pathway?
18. Which of the following is a measure of how responsive the enzyme is to changes in the concentration of a metabolite?
19. Metabolic control analysis does not suggest that ___________
20. What are the effects of increased concentration of citrate?
21. Which of the following is not a factor determining the activity of an enzyme?
22. Which of the following is involved in triacylglycerol synthesis?
23. Which of the following enzyme’s gene expression is slowed by insulin?
24. Which of the following is the most influential in setting the flux through glycolysis?
25. Which of the following statements is true about the control of muscle glycogen phosphorylase?

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