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Cultural Characteristics of Escherichia coli

Specimen: Specimen include urine, pus, faeces, cerebrospinal fluid (Infants), and blood for culture or depending upon site of infections. Morphology: E.coli is a gram negative usually...

Oxidase Test: Purpose, Principle, Method, Interpretations, Limitations

The cytochrome are iron containing hemoproteins that act as the last link in the chain of aerobic respiration by transferring electrons to oxygen with...

Catalase Test: Purpose, Principle, Method, Interpretations, Precautions

Catalase Test: Purpose, Principle, Method, Interpretations, Precautions Hydrogen peroxide H2O2 made one of the oxidative final product of aerobic carbohydrate metabolism. If allowed to accumulate...

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