The net gain of number of ATP molecules during glycolysis will be:
1. 2 | 2. 4 |
3. 6 | 4. 8 |
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1. | during conversion of 1,3 biphosphoglyceric acid to 3-phosphoglyceric acid |
2. | during conversion of glyceraldehyde -3-phosphate to 1,3 biphosphoglyceric acid |
3. | during conversion of glucose to glucose-6-phospate |
4. | during conversion of 3-phosphoglyceric acid to 2-phosphoglycerate |
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Consider the given statements:
Statement I: | In alcohol fermentation in yeast, pyruvic acid decarboxylase and alcohol dehydrogenase convert pyruvic acid to carbon dioxide and ethanol. |
Statement II: | In lactic acid fermentation, lactate dehydrogenase reduces pyruvic acid to lactic acid and carbon dioxide in muscle cells during exercise. |
1. | Both Statement I and Statement II are correct |
2. | Both Statement I and Statement II are incorrect |
3. | Statement I is correct but Statement II is incorrect |
4. | Statement I is incorrect but Statement II is correct |
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1. | Hydrogen sulphide | 2. | Water |
3. | Oxygen | 4. | Pyruvic acid |
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1. α-ketoglutarate | 2. Isocitrate |
3. Succinyl CoA | 4. Succinic acid |
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1. | Eight molecules of NADH + H+ |
2. | Two molecules of FADH2 |
3. | Two molecules of ATP |
4. | Four molecules of carbon dioxide |
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1. Complex I | 2. Complex II |
3. Complex III | 4. Complex IV |
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I: | The F1 headpiece is peripheral membrane protein complex and contains the site for the synthesis of ATP from ADP and inorganic phosphate. |
II: | The F0 is an integral membrane protein complex that forms the channel through which protons cross the inner membrane. |
III: | For each ATP produced, 4H+ passes through F0 from the intermembrane space to the matrix down the electrochemical proton gradient. |
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Respiratory Complex | Pathway for electron transport | |
1. | NADH dehydrogenase | NADH – FMN – [Fe-S] – Q |
2. | Succinic dehydrogenase | FADH2 – FMN - Q |
3. | Cytochrome bc1 | Cyt b – [Fe-S] – Cyt c1 |
4. | Cytochrome c oxidase | CuA – Cyt a – Cyt a3 – CuB |
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