The number of ATP molecules synthesized from oxidation of one molecule of NADH and one molecule of FADH2 are respectively:

1. 3 and 2 2. 2 and 3
3. 1 and 1 4. 2 and 1

Subtopic:  ETS:2 | ETS:1 | ETS |
 92%
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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

Subtopic:  Oxidative Phosphorylation |
 74%
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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
Subtopic:  Aerobic Respiration | ETS:2 | ETS:1 | ETS |
 69%
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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
Subtopic:  Fermentation |
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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
Subtopic:  Aerobic Respiration | Respiratory Quotient | ETS:2 | ETS:1 | ETS |
 64%
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The respiratory pathway is best described as:

1. Catabolic 2. Anabolic
3. Amphibolic 4. Amphipathic
Subtopic:  Aerobic Respiration |
 92%
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Which of the following exhibits the highest rate of respiration?

1. Growing shoot apex 2. Germinating seed
3. Root tip 4. Leaf bud
Subtopic:  Introduction | Aerobic Respiration |
 73%
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What is the end product of glycolysis?

1. NADH 2. ATP
3. G3P 4. Pyruvate
Subtopic:  Glycolysis |
 92%
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Oxidative decarboxylation of pyruvate produces:

1. CO2 2. Citrate
3. Acetyl-CoA 4. G3P
Subtopic:  Aerobic Respiration | Kreb's Cycle |
 82%
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The stage of cellular respiration that directly involves oxygen is:

1. glycolysis
2. at the end of ETC
3. Krebs cycle
4. the phosphorylation of ADP to form ATP
Subtopic:  ETS |
 82%
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