OPSC 2018 Solved Paper

Enzymes are biological catalysts. They are proteins, and therefore are folded chain of amino acids.
Characteristics of Enzymes are as follows
- Speed up chemical reactions
- Some catalyse reversible reactions
- They are biocatalyst
- They are protein in nature
- The bind to receptor and exert activity.
Thus, the option (b) is not the characteristic of an enzyme.