Fermentation is important as it regenerates:
1. O2
2. NAD+
3. acetyl-CoA
4. ATP

Subtopic:  Fermentation |
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What is the number of NADH molecules produced during the metabolic conversion of one molecule of glucose to two molecules of pyruvic acid by glycolytic pathway? 
1. 1
2. 2
3. 3
4. 4
Subtopic:  Glycolysis |
 80%
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Which of the following will be true for glycolysis? 
A: ATP production takes place by substrate-level phosphorylation. 
B: ATP is used and produced.
C: The end products are carbon dioxide and water.
1. Only A and B
2. Only A and C
3. Only B and C
4. A, B, and C
Subtopic:  Glycolysis |
 87%
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Which of the following have the capability and enzymatic machinery to achieve partial oxidation of glucose without the help of oxygen?
1. All living organisms
2. All prokaryotes only
3. Only obligate anaerobes and all prokaryotes
4. Only facultative and obligate anaerobes

Subtopic:  Introduction |
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In lactic acid and alcohol fermentation:
I: less than 7 percent of energy in glucose is released.
II: all energy released is trapped as high energy bonds of ATP.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Fermentation |
 53%
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The number of oxygen molecules required in the fermentation of one molecule of glucose to ethanol and carbon dioxide is/are:
1. 0
2. 1
3. 2
4. 6
Subtopic:  Fermentation |
 91%
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In the mitochondrial electron transport chain, Complex IV refers to:
1. NADH dehydrogenase
2. Cytochrome c oxidase complex
3. Ubiquinone
4. ATP synthase
Subtopic:  ETS |
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The number of oxygen molecules used and carbon dioxide produced during the glycolysis pathway, respectively, are :
1. 0 and 0 2. 1 and 1
3. 3 and 3 4. 6 and 6
Subtopic:  Glycolysis |
 86%
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All the following are part of mitochondrial electron transport system except:
1. Cyt b6f 2. Cyt C
3. Cyt bc1 4. Cyt aa3
Subtopic:  ETS |
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What is the respective number for NADH and FADH2 produced during one turn of the Krebs’ Citric Acid Cycle?
1. 1 and 1 2. 2 and 1
3. 3 and 1 4. 6 and 2
Subtopic:  Kreb's Cycle |
 78%
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