Cytochrome c is found:
1. | attached to outer surface of the inner mitochondrial membrane |
2. | attached to inner surface of the inner mitochondrial membrane |
3. | in the inter membrane space |
4. | in the mitochondrial matrix |
The number of ATP molecules synthesized from oxidation of one molecule of NADH and one molecule of are respectively:
1. | 3 and 2 | 2. | 2 and 3 |
3. | 1 and 1 | 4. | 2 and 1 |
The stage of cellular respiration that directly involves oxygen is:
1. | glycolysis |
2. | at the end of ETC |
3. | Krebs cycle |
4. | the phosphorylation of ADP to form ATP |
The correct sequence of flow of electrons downhill in the mitochondrial electron transport chain would be:
1. ubiquinone, cytochromes, FMN, Fe-S
2. cytochromes, FMN, ubiquinone, Fe-S
3. Fe-S, FMN, cytochromes, ubiquinone
4. FMN, Fe-S, ubiquinone, cytochromes
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 |
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 |
According to NCERT textbook, what is the number of ATP molecules that can be regarded as a net gain during aerobic respiration of one molecule of glucose?
1. 2 | 2. 30 |
3. 36 | 4. 38 |
If fatty acids were to enter the respiratory pathway, they must be converted to a molecule with:
1. | Two carbons | 2. | Three carbons |
3. | Five carbons | 4. | Six carbons |