Biochemist conducts research into chemical composition processes of living organisms to increase scientific knowledge and develop industrial, medical and other practical applications. He/she performs experiments, tests and analyses to determine chemical composition of living organisms, chemistry of their vital processes such as breathing, digestion, growth and aging, chemical action of foods, drugs, serums, hormones and other substances on their tissues and vital processes, chemical aspects of formation of antibodies in the blood, and other bio-chemical phenomena. He/she develops new or improved applications of biochemistry in industry, medicine, public health and other fields.