Consider the latter half of glycolytic pathway given below:

In reaction 6
I. The enzyme involved is an oxidoreductase
II. Arsenate may uncouple the pathway at this stage
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 |
 63%

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Consider the latter half of glycolytic pathway given below:

Regarding reaction 7:
I. Glycolysis has reached the break-even point.
II. When the cell has plenty of ATP (and little ADP), this reaction does not occur.
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 |
 55%

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Refer to the schematic diagram of Krebs citric acid cycle given below:

How many of the enzymes involved in the pathway are dehydrogenases?
  
1. 2
2. 3
3. 4
4. 5

Subtopic:  Kreb's Cycle |
 53%

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Refer to the given schematic diagram of Krebs cycle :

The step where substrate level phosphorylation takes place is catalyzed by the enzyme:
1. Aconitase
2. Isocitrate dehydrogenase
3. Succinyl-CoA synthetase
4. Succinate dehydrogenase

Subtopic:  Kreb's Cycle |
 55%

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When pyruvic acid is converted to acetyl CoA, the former is:

1.Oxidized2.Reduced
3.Isomerized4.Caboxylated

Subtopic:  Kreb's Cycle |
 65%

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A five carbon amino acid can be formed by which of the following intermediates of Krebs cycle?

1. succinate 2. malate
3. citrate 4. α-ketoglutarate
Subtopic:  Kreb's Cycle |
 78%
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The number of molecules of carbon dioxide produced by three turns of the Krebs cycle would be:

1. 3 2. 6
3. 12 4. 18
Subtopic:  Kreb's Cycle |
 66%

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What is the total number of NADH and FADH2 molecules produced for each molecule of glucose metabolized by glycolysis and the citric acid cycle?

1. 5 2. 6
3. 10 4. 12
Subtopic:  Glycolysis |
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The correct sequence of electron flow during aerobic respiration would be:
1. food → Krebs cycle → ATP → NAD+
2. food → NADH → electron transport chain → oxygen
3. glucose → pyruvate → ATP → oxygen
4. glucose → ATP → electron transport chain → NADH

Subtopic:  ETS |
 53%

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The components of the mitochondrial electron transport chain are located:
1. in mitochondrial matrix
2. in outer mitochondrial membrane
3. in inner mitochondrial membrane
4. in intermembrane space

Subtopic:  ETS |
 88%
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