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Why do we call it oxidative Phosphorylation?

1. Because of the presence of oxygen
2. Because here proton gradient is maintained by the energy of oxidation and reduction
3. Because of the presence of ADP and oxygen
4. Because of the presence of Phosphorylation derived by oxygen

Subtopic:  Oxidative Phosphorylation |
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The amount of energy which is produced by one molecule of FADHand one molecule of NADH?

(1) 2 ATPs, 3 ATPs

(2) 5 ATPs, 3 ATPs

(3) 3 ATPs, 3 ATPs

(4) 3 ATPs, 2 ATPs

Subtopic:  ETS:2 | ETS:1 | ETS |
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Which of the following gradient is observed in ETS?

(1) Chemical

(2) Electrical

(3) Osmotic

(4) Electrochemical

Subtopic:  ETS:2 | ETS:1 | ETS |
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Which of the following statements is incorrect?

1. Glucose is the flavoured substrate for respiration
2. All carbohydrates are usually first converted into glucose before they are used for respiration
3. Other respiratory substrates are also respired but they do not enter the respiratory pathway at very first step
4. Fats directly enter the respiratory pathway
Subtopic:  Amphibolic Nature of Respiration |
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Glycerol and Fatty acids are the result of breaking down of Fats:

(1) Fatty acids enter at the step of formation of BPGA

(2) Fatty acids enter as acetyl CoA

(3) Fatty acids enter as PGAL

(4) Fatty acids enter as Pyruvate

Subtopic:  Amphibolic Nature of Respiration |
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The individual amino acid enter the respiratory pathway at

1. Within Krebs’ cycle
2. As Pyruvate or Acetyl CoA
3. As PGAL
4. Both A and B

Subtopic:  Amphibolic Nature of Respiration |
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Respiratory Quotient

(1) Some Ratio

(2) Some amount of oxygen

(3) Some amount of carbon dioxide

(4) Cannot be one

Subtopic:  Respiratory Quotient |
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Respiratory Quotient is

(1) Volume of Carbon-dioxide evolved

(2) Ratio of volume of oxygen consumed to volume of Carbon-dioxide evolved

(3) Ratio of volume of Carbon-dioxide evolved to the volume of oxygen consumed

(4) Ratio of volume of oxygen evolved to volume of Carbon-dioxide consumed

Subtopic:  Respiratory Quotient |
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The value of respiratory Quotient actually depends upon

1. The type of respiratory substrate used

2. The place in which respiration is occurring

3. The amount of ventilation

4. Breathing surface

Subtopic:  Respiratory Quotient |
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For the substrate Glucose, how many Oxygen are used and how many Carbon-dioxide are evolved?

(1) 3,3

(2) 6,3

(3) 3,6

(4) 6,6

Subtopic:  Respiratory Quotient |
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