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 |
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 |
Chemiosmosis is coupled to energy storage by:
1. | NADH | 2. | ADP |
3. | cytochromes | 4. | ATP synthase |
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 |
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 |
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 |