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6. how many molecules of GTP are produced per TCA cycle

  • 1
  • 4
  • 2
  • 3

7. which enzyme regulates the rate-limiting step of the TCA cycle

  • succinate dehydrogenase
  • alpha-ketoglutarate dehydrogenase
  • Isocitrate dehydrogenase
  • succinyl Co-A synthetase

8. which of these is a substrate for gluconeogenesis

  • pyruvate kinase
  • lactate
  • glucose
  • glucagon

9. which hormone inhibits gluconeogensis?

  • adrenaline
  • insulin
  • glucagon
  • cortisol

10. which of the following transporters are found in all cells?

  • GLUT-1
  • GLUT-2
  • GLUT-3
  • GLUT-4

11. which enzyme, found in the liver, is responsible for phosphorylation of glucose?

  • sucrase
  • glucokinase
  • lipase
  • hexokinase

12. how many molecules of FADH2 are produced per TCA cycle

  • 4
  • 2
  • 1
  • 3

13. by using NADH/FADH2 from the Krebs cycle, the link reaction and glycolysis how many ATP molecules are made from oxidative phosphorylation in aerobic conditions

  • 36 ATP
  • 38 ATP
  • 39 ATP
  • 37 ATP

14. how many molecules of OC2 are produced per TCA cycle

  • 2
  • 4
  • 1
  • 3

15. which of the following transporters is insulin-dependent

  • GLUT-3
  • GLUT-4
  • GLUT-2
  • GLUT-1

16. how many ATP is made in whole from glycolysis, Krebs cycle and the link reaction?

  • 38 ATP
  • 39 ATP
  • 37 ATP
  • 36 ATP

17. which of the following are NOT ways in which lactate produced by anaerobic respiration might be removed?

  • lactate can enter Kreb's cycle directly
  • lactate transported to the liver and converted to pyruvate
  • lactate transported to the heart and converted to pyruvate a which enters Kreb's cycle
  • lactate transported to the brain and converted to pyruvate which enters the Kreb's cycle

18. where does glycolysis occur in the cell?

  • lysosome
  • rough endoplasmic reticulum
  • cytosol
  • mitochondria

19. where is the ETC chain located?

  • cell membrane
  • mitochondria
  • endoplasmic reticulum
  • lysosome

20. which of the following molecules, once formed, commits it to glycolysis?

  • Fructose 1,6 bisphosphate
  • glucose-6-phosphate
  • fructose-6-phosphate
  • glucose 1,6 bisphosphate