Essential Biochemistry - Enzymes (Section 3 - No. 44)
Isoenzymes can be characterized as:
Nonprotein part of enzyme
Enzymes with same quaternary structure
Similar enzymes that catalyze different reactions
Multiple forms of given enzyme that catalyze same type of reactions
Paliwanag
Isoenzymes are multiple forms of the same enzyme catalyzing the same biochemical reaction.