Phosphorylation of glucose during glycolysis is catalysed by

1. Phosphoglucomutase 2. Phosphoglucoisomerase
3. Hexokinase 4. Phosphorylase

Subtopic:  Glycolysis |
 86%
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Pyruvic acid, the key product of glycolysis can have many metabolic fates. Under aerobic condition, it forms

1. Lactic acid 2. CO2 + H2O
3. Acetyl CoA + CO2 4. Ethanol + CO2
Subtopic:  Aerobic Respiration |
 59%
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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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The outputs of the Krebs cycle do not include:

1. NADP 2. FADH2
3. ATP 4. CO2
Subtopic:  Kreb's Cycle |
 57%
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The products of fermentation do not include:

1. CO2 2. O2
3. ethanol 4. lactate
Subtopic:  Fermentation | Aerobic Respiration |
 87%
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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 |
 81%
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What process in aerobic respiration generates maximum ATP?

1. substrate-level phosphorylation 2. chemiosmosis
3. Krebs cycle 4. Pyruvate decarboxylation
Subtopic:  Oxidative Phosphorylation |
 51%
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Consider the steps of glycolysis given in the diagram:
  
Regarding reaction 3 in the diagram:

I: The reaction is a key regulatory point and is also the rate-limiting step.
II: The reaction is freely reversible.


1. Only I is true
2. Only II is true
3. Both I and II are true
4. Both I and II are false

Subtopic:  Glycolysis |
 57%

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