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

Related Mcqs:

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

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

2. In TCA cycle substrate level phosphorylation occurs at____________?

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

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

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

4. Citrate is a useful anticoagulant because of its ability to_____________?

   A. Buffer basic groups of coagulation factors
   B. Bind factor XII
   C. Bind vitamin K
   D. Chelate calcium

5. Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________?

   A. Oxidases
   B. Peptidases
   C. Transferases
   D. LIpases

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. 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

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

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

9. One molecule of B-carotene gives rise to______________?

   A. 1 unit of Vitamin A
   B. 2 unit of Vitamin A
   C. 3 unit of Vitamin A
   D. 4 unit of Vitamin A

10. An enzyme that makes a double stranded DNA copy from a single stranded RNA template molecule is known as____________?

    A. DNA polymerase
    B. RNA polymerase
    C. Reverse transcriptase
    D. Phospho kinase