Bacteria utilizes various kinds of nutrients in a variety of ways.
- Different bacterial species have different sets of enzymes and therefore have different metabolic pathways.
- Since these characteristics of each species may be different, biochemical characters are used as the means of identifying and classifying them.
- The biochemical tests are used in bacteriology are Catalase test, Coagulase test, IMViC tests, Urease test, Oxidase test, Gelatin liquefaction test, Nitrate reduction test, Sugar fermentation test, Motility tests and Oxidation-fermentation test.
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