1. | Enzymes of the TCA cycle are present in the mitochondrial matrix. |
2. | Glycolysis occurs in the cytosol. |
3. | Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms. |
4. | Oxidative phosphorylation takes place in the outer mitochondrial membrane. |
The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products.
Arrows numbered 4, 8, and 12 can all be:
1. | ATP | 2. | A2O |
3. | FAD+ or FADH2 | 4. | NADH |
The respiratory quotient during cellular respiration would depend on the
1. Nature of enzymes involved
2. Nature of the substrate
3. Amount of carbon dioxide released
4. Amount of oxygen utilized
Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:
1. Phosphofructokinase
2. Aldolase
3. Hexokinase
4. Enolase
Respiratory Quotient (RQ) value of tripalmitin is:
1. | 0.09 | 2. | 0.9 |
3. | 0.7 | 4. | 0.007 |
Which of the following statements regarding mitochondria is incorrect?
1. | Mitochondrial matrix contains single circular DNA molecule and ribosomes. |
2. | Outer membrane is permeable to monomers of carbohydrates, fats, and proteins. |
3. | Enzymes of electron transport are embedded in the outer membrane. |
4. | Inner membrane is convoluted with infoldings. |
1. | It functions as an enzyme |
2. | It functions as an electron carrier |
3. | It is a nucleotide source for ATP synthesis |
4. | It is the final electron acceptor for anaerobic respiration |
In the given diagrammatic representation of ATP synthesis in mitochondria, A, B and C are respectively:
1. 2 , and
2. 2 , and
3. 4 , and
4. 4 , and
Match each item in Column I with one item in Column II regarding electron
transport chain located in the inner mitochondrial membrane and chose your answer from the codes given below:
Column I Column II
I. Complex I 1. NADH dehydrogenase
II. Complex II 2. FADH2
III. Complex III 3. Cyt bc1 complex
IV. Complex IV 4. ATP synthase
5. Cytochrome c oxidase Codes:
I II III IV
1. 1 2 3 4
2. 1 2 3 5
3. 2 1 3 4
4. 2 1 3 5