- 1(current)
Q. No.Enzymes are biochemical catalysts that:
| 1. | can change the equilibrium position of the reaction it catalyses by lowering the energy of activation of that reaction. |
| 2. | can lower the energy of activation of the reaction it catalyses by increasing the molecular collisions between the molecules. |
| 3. | lower the free energy difference between substrate(s) and product(s) but it cannot change the equilibrium position of the reaction it catalyses. |
| 4. | cannot change the equilibrium position of the reaction it catalyses but it lowers the energy of activation of that reaction. |
Subtopic: Â Mechanism of Enzymes |
 51%
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Identify the incorrect statement regarding enzyme action:
| 1. | Formation of [Enzyme Substrate] complex is obligatory |
| 2. | Enzymes speed up a chemical reaction by lowering the requirement of activation energy |
| 3. | Substrate need not go through a transition state if the enzyme catalyzed reaction is endothermic |
| 4. | Enzymes are themselves not used up in the chemical reaction catalyzed by them |
Subtopic: Â Mechanism of Enzymes |
 84%
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Even in the presence of malonate, the velocity of the reaction catalyzed by the enzyme succinic dehydrogenase can be increased by:
1. increasing the temperature beyond 400C
2. decreasing the pH
3. increasing the concentration of succinate
4. decreasing the production of ATP by chemiosmosis
Subtopic: Â Mechanism of Enzymes |
 86%
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Q. No.
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