Discussion
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- Question
Which of the following enzyme does not take part in the TCA cycle?
Options- A. Citrate synthase
- B. Iso-citrate dehydrogenase
- C. Pyruvate dehydrogenase
- D. Malate dehydrogenase
- Correct Answer
- Pyruvate dehydrogenase
- 1. How many ATPs are produced during citric acid cycle?
Options- A. 10
- B. 13
- C. 12
- D. 8 Discuss
- 2. Cholesterol can be synthesized de novo in
Options- A. pancreas
- B. intestine
- C. liver
- D. cell membrane Discuss
- 3. The first intermediate in TCA cycle is
Options- A. succinate
- B. fumerate
- C. citrate
- D. malate Discuss
- 4. Why is the TCA cycle the central pathway of metabolism of the cell?
Options- A. It occurs in the center of the cell
- B. Its intermediates are commonly used by other metabolic reactions
- C. All other metabolic pathways depend upon it
- D. None of the above Discuss
- 5. Malate-asparatate shuttle operates in
Options- A. lungs and liver
- B. heart and liver
- C. pancreas and liver
- D. none of these Discuss
- 6. Carbon dioxide is reduced in
Options- A. noncyclic photophosphorylation
- B. the Calvin cycle
- C. the light reactions
- D. both light and dark reactions Discuss
- 7. In the Calvin cycle, carbon dioxide is fixed in a reaction with the
Options- A. ribulose diphosphate
- B. ribulose phosphate
- C. ribose tri phosphate
- D. 3-phosphoglyceric acid Discuss
- 8. Which enzyme is involved in carbon-fixation reaction?
Options- A. NADP reductase
- B. Cytochrome reductase
- C. Ribulose bisphosphate carboxylase
- D. Glycerol kinase Discuss
- 9. The vast majority of the molecules that act as energy carriers to power cellular activities are made in
Options- A. the nucleus
- B. the Golgi apparatus
- C. the cytosol
- D. the mitochondria and chloroplasts Discuss
- 10. Oxidative phosphorylation is to respiration as __________ is to photosynthesis
Options- A. carbon fixation
- B. electron transport chain
- C. light capture by chlorophyll
- D. reduction of NADPH Discuss
TCA Cycle problems
Search Results
Correct Answer: 12
Correct Answer: liver
Correct Answer: citrate
Correct Answer: Its intermediates are commonly used by other metabolic reactions
Correct Answer: heart and liver
Correct Answer: the Calvin cycle
Correct Answer: ribulose diphosphate
Correct Answer: Ribulose bisphosphate carboxylase
Correct Answer: the mitochondria and chloroplasts
Correct Answer: electron transport chain
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