Discussion
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- Question
Oxidation of a molecule involves
Options- A. gain of electron
- B. loss of electron
- C. gain of proton
- D. loss of proton
- Correct Answer
- loss of electron
- 1. Which of the following is involved in energy production?
Options- A. Generation of proton gradients across membranes
- B. Transport of electrons on organic molecules
- C. Conversion of compounds with high energy to those of low energy
- D. All of the above Discuss
- 2. In eukaryotes, electron transport occurs in
Options- A. membranes and mitochondria
- B. endoplasmic reticulum
- C. cytoplasm
- D. all of the above Discuss
- 3. The catabolism of sugars and fatty acids is similar because
Options- A. both of these compounds are funnelled through the TC A/citric acid cycle
- B. both of these compounds generate redox energy during catabolism
- C. both of these compounds generate chemical energy during catabolism
- D. all of the above Discuss
- 4. A positive redox potential means substance has
Options- A. lower affinity for electron
- B. higher affinity for electron
- C. lower affinity for proton
- D. higher affinity for proton Discuss
- 5. To stop ATP synthesis which chemical is generally used?
Options- A. DNSA
- B. 2,4 dinitrophenol
- C. DDT
- D. None of the chemical can stop ATP synthesis Discuss
- 6. Standard redox potential for a substance is measured under standard condition and is expressed as
Options- A. mili-Ampere
- B. Volt
- C. without unit
- D. Ohm Discuss
- 7. Citric acid cycle occurs in
Options- A. cytoplasm
- B. mitochondria
- C. endoplasmic reticulum
- D. golgi bodies Discuss
- 8. Which one of the following is not the intermediate of Kreb's cycle?
Options- A. Isocitrate
- B. Succinate
- C. Fumarate
- D. Stearate Discuss
- 9. How many molecules of ATPs are synthesized per NADH oxidation?
Options- A. 2
- B. 1
- C. 3
- D. 4 Discuss
- 10. Most multi-cellular organisms obtain energy for the synthesis of ATP during oxidative phosphorylation from
Options- A. high energy phosphate compounds
- B. a proton gradient across the inner mitochondrial membrane
- C. a proton gradient across the cell membrane
- D. a proton gradient across the outer mitochondrial membrane Discuss
TCA Cycle problems
Search Results
Correct Answer: All of the above
Correct Answer: membranes and mitochondria
Correct Answer: both of these compounds are funnelled through the TC A/citric acid cycle
Correct Answer: higher affinity for electron
Correct Answer: 2,4 dinitrophenol
Correct Answer: Volt
Correct Answer: mitochondria
Correct Answer: Stearate
Correct Answer: 3
Correct Answer: a proton gradient across the inner mitochondrial membrane
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