Kreb’s cycle occurs in _________ conditions?

Related Mcqs:

1. Kreb’s cycle does not occur in______________?

   A. Muscle
   B. RBC
   C. Heart
   D. All of the above

2. Which one of the following is the correct sequential order in which the given enzymes of kreb’s cycle are formed after a molecule of acetyl CoA______________?

   A. Citrate, Oxalocetate, Ketoglutarate
   B. Ketoglutarate, Oxalocetate, Citrate
   C. Citrate, Ketoglutarate, Oxalocetate
   D. Oxalocetate, Ketoglutarate, Citrate

3. In TCA cycle or tricarboxylic acid cycle, which is first formed________________?

   A. Isocitrate
   B. Citrate
   C. Succinate
   D. Fumarate

4. In TCA cycle substrate level phosphorylation occurs at____________?

   A. Succinate dehydrogenase
   B. Malonate reduction
   C. Thiokinase
   D. None of the above

5. What high energy phosphate compound is formed in the citric acid cycle through substrate level phosphorylation______________?

   A. ATP
   B. TTP
   C. ITP
   D. GTP

6. In TCA cycle, citrate is converted in to after losing a molecule of H2O_____________?

   A. Isocitrate
   B. Cisaconitate
   C. Oxalocetate
   D. Glutarate

7. Which metabolite of TCA cycle is used in detoxification of ammonia in brain_____________?

   A. Alpha ketoglutarate
   B. Ornithine
   C. Oxalocetate
   D. Glycine

8. Which one of the following enzymes provides a link between glycolysis and the citric acid cycle ?

   A. Lactate dehydrogenase
   B. Pyruvate kinase
   C. Citrate synthase
   D. Pyruvate dehydrogenase

9. The citric acid cycle is the final pathway for oxidation of______________?

   A. Enzymes
   B. Vitamins
   C. Minerals
   D. None of the above

10. Enzymes concerned with the citric acid cycle are found in the____________?

    A. Nucleus
    B. Ribosomes
    C. Mitochondria
    D. Nonparticulate cytoplasm