Q. No.Let us say there are 30 NADH and 12 in a mitochondrion. What is the maximum number of ATP generated if all dinucleotides are used in chemiosmosis?
1.
42
2.
84
3.
114
4.
142
Identify the incorrectly matched pair:
| Component of ETC | Name | |
| 1. | Complex I | NADH dehydrogenase |
| 2. | Complex II | Succinate dehydrogenase |
| 3. | Complex III | Cytochrome b6f complex |
| 4. | Complex IV | Cytochrome c oxidase |
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The correct chronological sequence of the stages of the glycolytic pathway is:
| 1. | glucose priming, cleavage and rearrangement, oxidation, ATP generation |
| 2. | cleavage and rearrangement, glucose priming, ATP generation, oxidation |
| 3. | glucose priming, oxidation, cleavage and rearrangement, ATP generation |
| 4. | ATP generation, oxidation, glucose priming, cleavage and rearrangement |
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Ubiquinone is:
| 1. | a protein in the mitochondrial electron transport chain |
| 2. | a substrate for synthesis of FADH |
| 3. | a vitamin used as coenzyme in Krebs cycle |
| 4. | a small hydrophobic coenzyme |
A multienzyme complex amongst the following would be:
| 1. | sucrase |
| 2. | |
| 3. | hexokinase |
| 4. | pyruvate dehydrogenase |
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To generate a proton gradient, in mitochondria, the protons are pumped:
| 1. | into the cytosol from the mitochondria |
| 2. | from the mitochondrial matrix into the intermembrane space of the mitochondria |
| 3. | from the cytosol into the matrix of the mitochondria |
| 4. | out of the nucleus and into the mitochondria |
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The pathway that normally occurs whether or not oxygen is present would be would be:
I. glycolysis
II. fermentation
III. citric acid cycle
1. Only I
2. I and II only
3. II only
4. III only
The processes that occur in the cytosol of a eukaryotic cell is/are:
I. glycolysis
II. fermentation
III. oxidation of pyruvate to acetyl CoA
| 1. | Only I | 2. | I and II only |
| 3. | I and III only | 4. | I, II, III and IV |
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