According to IUB system, hydrolases
belong to which class ?
a) EC-1
b) EC-2
c) EC-3
d) EC-4
Correct Answer - C
Ans. is ‘c’ i.e., EC-3
IUB classification
Enzyme code number (EC number)Enzyme
EC-1 Oxidoreductase
EC-2 Transferase
EC-3 Hydrolases
EC-4 Lyases
EC-5 Isomerases
EC-6 Ligases