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Q. No.A eukaryotic cell respires aerobically and uses glucose as the respiratory substrate. Which of the following steps in the process will take place in the cytoplasm of the cell?
1. glycolysis
2. Krebs cycle
3. electron transport system
4. transition reaction
1. glycolysis
2. Krebs cycle
3. electron transport system
4. transition reaction
Subtopic: Glycolysis | Glycolysis Regulation |
94%
From NCERT
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How many ATP molecules are directly synthesised in the glycolytic pathway from one glucose molecule?
1. 2
2. 4
3. 10
4. 30
1. 2
2. 4
3. 10
4. 30
Subtopic: Glycolysis Regulation | Respiratory Quotient | THE RESPIRATORY BALANCE SHEET |
63%
From NCERT
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For aerobic respiration to take place within the mitochondria, the final product of glycolysis, pyruvate:
| 1. | is transported from the cytoplasm into the mitochondria. |
| 2. | undergoes oxidative decarboxylation in the cytosol. |
| 3. | is reduced to lactate in liver. |
| 4. | is transported from the cytoplasm first into the Golgi apparatus, where it is packaged and then transported into the mitochondrion. |
Subtopic: Glycolysis | Glycolysis Regulation | Aerobic Respiration |
83%
From NCERT
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It is possible to make calculations of the net gain of ATP for every glucose molecule oxidised; but in reality this can remain only a theoretical exercise. These calculations can be made only on certain assumptions including all the following except:
| 1. | There is a sequential, orderly pathway functioning, with one substrate forming the next and with glycolysis, TCA cycle and ETS pathway following one after another. |
| 2. | The NADH synthesised in glycolysis does not get transferred into the mitochondria and does not undergo oxidative phosphorylation. |
| 3. | None of the intermediates in the pathway are utilised to synthesise any other compound. |
| 4. | Only glucose is being respired – no other alternative substrates are entering in the pathway at any of the intermediary stages. |
Subtopic: Glycolysis | Glycolysis Regulation |
82%
From NCERT
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