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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. When blood sugar levels fall, glycolysis is halted in liver to allow ___________
2. Which of the following statements about the control of glycogen synthesis from blood glucose in myocytes is incorrect?
3. Which one of the following statements about the control of enzyme activity by phosphorylation is correct?
4. Which of the following is not a factor determining the activity of an enzyme?
5. Diminished flow of blood to tissues is termed as ___________
6. Which of the following enzymes is involved in the positive regulation of glycolysis/gluconeogenesis?
7. Metabolic control analysis does not suggest that ___________
8. Glucose 6-phosphatase is present only in ___________
9. Some regulated enzymes control the flux through a pathway, this activity is ___________
10. Which of the following statements is true?
11. What are the effects of increased concentration of citrate?
12. The second control point in gluconeogenesis is the reaction catalyzed by ___________
13. Glucagon is released from ___________
14. Which of the following type of metabolites is used for generating glucose under severe starvation conditions?
15. Which of the following enzyme’s gene expression is slowed by insulin?
16. Which of the following is a measure of how responsive the enzyme is to changes in the concentration of a metabolite?
17. Which of the following statements is true regarding acetyl co-A?
18. What is the relation between elasticity coefficient, flux coefficient and response coefficient?
19. Which of the following statements is true about PFK-1?
20. Flux control coefficient measures the ____________
21. Which of the following statements is true about brain metabolism in starvation?
22. Glucagon and epinephrine stimulate glycogen breakdown to glucose 6-phosphate ________
23. Which of the following is a measure of the effect of an enzyme’s concentration on flux through a multi-enzyme pathway?
24. Some regulated enzymes rebalance the level of metabolites in response to the change in flux, this activity is ___________
25. Which compounds are responsible for the coordinated regulation of glucose and glycogen metabolism?