Q. No.Oxidative phosphorylation is
1.
formation of ATP by transfer of phosphate group from a substrate to ADP
2.
oxidation of phosphate group in ATP
3.
addition of phosphate group to ATP
4.
formation of ATP by energy release from electrons removed during substrate oxidation
In which one of the following processes is not released?
1. Aerobic respiration in plants
2. Aerobic respiration in animals
3. Alcoholic fermentation
4. Lactate fermentation
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, 12 can all be
| 1. | NADH | 2. | ATP |
| 3. | H2O | 4. | FAD+ or FADH2 |
Which of the metabolites is common to respiration, mediated breakdown of fats, carbohydrates and proteins?
1. Glucose-6-phosphate
2. Fructose 1, 6, bisphosphate
3. Pyruvic acid
4. Acetyl Co-A
The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called
1. glycolysis
2. fermentation
3. aerobic respiration
4. photorespiration
Aerobic respiratory pathway is appropriately termed
| 1. | catabolic | 2. | parabolic |
| 3. | amphibolic | 4. | anabolic |
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The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphosphate (ATP) is formed because
1. high energy bonds are formed in mitochondrial proteins
2. ADP is pumped out of the matrix into the intermembrane space
3. a proton gradient forms across the inner membrane
4. there is a change in the permeability of the inner mitochondrial membrane toward Adenosine Diphosphate (ADP)
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Which one of the following mammalian cells are not capable of metabolising glucose to carbon dioxide aerobically?
| 1. | White blood cells | 2. | Unstriated muscle cells |
| 3. | Liver cells | 4. | Red blood cells |
All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
1. lactate dehydrogenase
2. isocitrate dehydrogenase
3. malate dehydrogenase
4. succinate dehydrogenase
The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:
1. ATP in small stepwise units
2. ATP in one large oxidation reaction
3. Sugars
4. Nucleic acids
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