Answer:
Option (1)
Step-by-step explanation:
Isozymes may be defined as the multiple form of a single ezvyme that can catalyze the same biochemical reaction. These isozymes are differ in their amino acid sequences.
These isozymes are isomers of a same species and can catalyze the same reaction. These isozymes are coded by the homologous genes.
Thus, the correct answer is option (a).