Question

0.2. 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 enzyme-mediated in
biological system?

A- dissolving CO2 in water
B-Untwinning two strads Of DNA
C- Hydrolysis Of Sucrose
D-Formation Of Peptide Bond

Answer 1

Answer:

(D) Formation of Peptide Bond

Answer 2

Correct option regarding enzymatic reaction is -

A- dissolving CO2 in water

Carbon dioxide has carbon and oxygen and water has hydrogen and oxygen. The polarity of these atoms help in dissolving carbon dioxide into water.

DNA strands untwin during replication with the help of helicase.

Sucrose is hydrolysed by invertase. The conversion occurs to break sucrose into monomeric units to provide energy.

Peptide bond formation occurs by peptidyl transferase during translation of RNA.