These techniques provide further differentiation beyond morphology and staining abilities of bacteria. With these biochemical tests we can identify the presence or abscence of a particular enzyme or the nature of the metabolism. Biochemical tests are suitible for identify microorganisms. It means that we determine the exact taxonomic place and name of the tested microorganism.
Source
BME Vegyészmérnöki Kar Tanszéki Munkaközösség (1993) Ipari mikrobiológiai gyakorlatok, (Szerkesztő: Puskás, A.) Műegyetemi Kiadó, Budapest