The continued oxidation of acetyl CoA via the TCA cycle requires the continued replenishment of:
I. Oxaloacetic acid | II. NAD+ | III. FAD |
1. | I and II only | 2. | I and III only |
3. | II and III only | 4. | I, II and III |
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At how many points in the TCA cycle is reduced to NADH + ?
1. | 2 | 2. | 3 |
3. | 4 | 4. | 6 |
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During the conversion of succinyl CoA to succinic acid in TCA cycle:
1. One molecule of ATP is directly synthesized
2. is reduced
3. FAD is reduced
4. One molecule of GTP is synthesized
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Ubiquinone receives reducing equivalents via:
I. Complex I | II. Complex II | III. Complex III |
1. | Only I | 2. | Only I and II |
3. | Only I and III | 4. | I, II and III |
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Cytochrome c is found:
1. | attached to outer surface of the inner mitochondrial membrane |
2. | attached to inner surface of the inner mitochondrial membrane |
3. | in the inter membrane space |
4. | in the mitochondrial matrix |
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The number of ATP molecules synthesized from oxidation of one molecule of NADH and one molecule of are respectively:
1. | 3 and 2 | 2. | 2 and 3 |
3. | 1 and 1 | 4. | 2 and 1 |
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Oxygen drives the process of ATP production via ETS. The best explanation for this would be that oxygen:
1. is needed at the end of the aerobic respiration
2. is the terminal electron donor
3. is not required in the glycolytic pathway
4. acts as the final hydrogen acceptor
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According to NCERT textbook, what is the number of ATP molecules that can be regarded as a net gain during aerobic respiration of one molecule of glucose?
1. 2 | 2. 30 |
3. 36 | 4. 38 |
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What is the number of ATP molecules produced when pyruvate is converted to lactate by fermentation?
1. 0 | 2. 2 |
3. 4 | 4. 38 |
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If fatty acids were to enter the respiratory pathway, they must be converted to a molecule with:
1. | Two carbons | 2. | Three carbons |
3. | Five carbons | 4. | Six carbons |
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