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?