Acetyl Co-A acts as a substrate for all the enzymes except______________?

Related Mcqs:

1. 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

2. Acetyl CoA is produced from which fuel sources_____________?

   A. Carbohydrate
   B. Lipid
   C. Amino acids
   D. All of the above

3. One molecule of acetyl Co-A gives rise to ________ ATP molecules?

   A. 2
   B. 8
   C. 12
   D. 32

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

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

5. In TCA cycle substrate level phosphorylation occurs at____________?

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

6. In TCA, substrate level phospherylation takes place in______________?

   A. Alpha ketoglutrate to succinyl CoA
   B. Succinyl CoA to Succinate
   C. Succinate to fumarate
   D. Oxalocetate to citrate

7. Enzymes concerned with the citric acid cycle are found in______________?

   A. Nucleus
   B. Mitochondria
   C. Ribosomes
   D. Non-particulate cytoplasm

8. Enzymes help by____________?

   A. Lowering the activation energy
   B. Increasing the substrate concentration
   C. Decreasing the surface tension
   D. Increasing the activation energy

9. Inactive precursors of enzymes are known as_______________?

   A. Apoenzymes
   B. Coenzymes
   C. Proenzymes
   D. Holoenzymes

10. Mutation in the oxidative enzymes (peroxisomes) could lead to_______________?

    A. Zellweger’s syndrome
    B. Gaucher’s disease
    C. Epidermolysis bullosa
    D. Leber’s neuropathy