Beta oxidation in respiration is associated with:
1.oxidation of pyruvate
2.activation of acetyl CoA
3.electron transport chain
4. breakdown of fatty acids

Subtopic:  Amphibolic Nature of Respiration |
 64%
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Coenzyme A, formed in part from one of the B vitamins, functions to:

1. Oxidize pyruvate 2. Reduce pyruvate
3. Activate the acetyl group 4. Facilitate electron flow
Subtopic:  Kreb's Cycle |
 51%
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Identify the incorrectly matched row with respect to the four phases of aerobic cellular respiration:

Phase

Cost per glucose molecule

Gain per glucose molecule

1.

Glycolysis

2 ATP

4 ATP, 2 NADH

2.

Pyruvate oxidation

None

2 NADH

3.

Krebs cycle

None

2 ATP, 6 NADH, 2 FADH2

4.

Electron transport

None

34 ATP

Subtopic:  Aerobic Respiration |
From NCERT
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Refer to the diagram given below:
 

Identify the incorrectly matched pair:

Reaction catalyzed

by enzyme no.

Type of reaction

1.

1

Aldol condensation

2.

3

Oxidative decarboxylation

3.

5

Substrate level phosphorylation

4.

7

Oxidation

Subtopic:  Kreb's Cycle |
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Brown fat tissue in vertebrate animals:
1.is the most common storage form of fat
2.allows the animals to regulate their metabolic rate when it is especially hot
3.promotes fluidity of the biological membranes
4. regulates temperature by converting energy from NADH oxidation to heat

Subtopic:  Respiratory Quotient |
 57%
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In lactate fermentation, the final electron acceptor is:

1. NAD+ 2. pyruvate
3. O2 4. lactic acid
Subtopic:  Fermentation |
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The glycolytic pathway occurs in:
1. cytoplasm
2. chloroplasts
3. matrix of the mitochondrion
4. cristae of the mitochondrion

Subtopic:  Glycolysis |
 86%
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Maximum energy can be released during the oxidation of:

1. proteins 2. glucose
3. fatty acids 4. nucleic acids
Subtopic:  Amphibolic Nature of Respiration |
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When the amount of ATP is increased in a cell, it is expected to:
1. inhibit the enzyme phosphofructokinase.
2. activate the enzyme citrate synthase.
3. inhibit the enzyme pyruvate kinase.
4. activate the enzyme pyruvate dehydrogenase.

Subtopic:  Glycolysis |
 61%
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In the ETS in mitochondria, identify the product that is not correctly matched with its number:

1. NAD+  = 10 2. FAD = 2
3. ATP = 26 4. H2O = 12
Subtopic:  Aerobic Respiration |
 63%
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