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Karnataka Board PUCPUC Science Class 11

Enzymes are biocatalysts. They catalyse biochemical reactions. In general they reduce activation energy of reactions.

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Question

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

Options

  • Dissolving CO2 in water

  • Untwining the two strands of DNA

  • Hydrolysis of sucrose

  • Formation of peptide bond

MCQ
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Solution

Dissolving CO2 in water

Explanation:

Dissolving CO2 in water is a physical process.

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Chapter 9: Biomolecules - Exercises [Page 45]

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NCERT Exemplar Biology [English] Class 11
Chapter 9 Biomolecules
Exercises | Q 14. | Page 45
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