Studied by AE Garrod. genes express themselves through synthesis of enzymes as per beadle and Tatum 1941.
It is a set of methods assays and procedures that enable scientists to analyse substances found in living organisms and the chemical reactions underlying life processes.
Since genes synthesise proteins and enzymes biochemical analysis provides us hint about their features and characteristics. Blood analysis and urine analysis can help identify diseases like phenylketonuria.
Biomolecules include lipids and proteins vitamins hormones.