Biochemistry is also called biological chemistry, it is the study of chemical processes relating and within living organisms. A sub regulation of both chemistry and biology, biochemistry having three fields, metabolism, enzymology and structural biology. It concentrated on recognition the chemical basis which accepts biological molecules to give rise to the processes that occur within living cells and between cells, it is used to study the chemical substances and processes that happened in plants, animals and microorganisms and of the modifications they undergo during development and life. Biochemistry deals with the chemistry of life and as such it draws on the skills of organic, analytical and physical chemistry, as well as those of physiologists concerned with the molecular basis of vital processes.