Question:
Enzymes are biocatalysts. They catalyse biochemical reactions. In general,
they reduce the activation energy of reactions. Many Physico-chemical
processes are enzyme-mediated. Which of the following reactions is not
enzyme-mediated in the biological system?
a. Dissolving CO2 in water
b. Untwining the two strands of DNA
c. Hydrolysis of sucrose
d. Formation of peptide bond
Solution:
Option (a) Dissolving CO2 in water is the answer.