Abstract
In this chapter, brief accounts for the classification, nomenclature, and physiochemical nature of enzymes have been discussed. This chapter also deals with the action mechanism of an enzyme, enzyme kinetics, and factor affecting enzyme activity. A brief discussion about coenzymes, cofactors, and their role in biological systems has been addressed in this chapter.
Keywords: And enzyme kinetics, Biological catalyst, Coenzymes, Cofactor, Denaturation, Reaction specificity.