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Q1:

Enzymes are biocatalysts. They catalyze biochemical reactions. In general, they reduce the activation energy of reactions. Many physicochemical processes are enzyme-mediated. Which of the following reactions is not enzyme-mediated in the biological system?

1.	Dissolving CO₂ in water
2.	Untwining the two strands of DNA
3.	Hydrolysis of sucrose
4.	Formation of peptide bond

Subtopic: Enzyme Catalysis |

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