: Catalase positive and negative bacteria ?

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Lactose fermenting also , would be appreciated

In: Biology

2 Answers

Anonymous 0 Comments

Simply explains if your bacteria has the encyme catalase or not. Catalase is used to catalyse the reaction of h2o2 to h2o and o2. H2o2 appears in aerobe living organisms, but since its poisinous we have to get rid of it. If a bacteria has no catalase its most likely that it is an anaerobe living one. The catalase test (does my bacterium have it or not) is used to identify bacteria.

Similar for lactose fermenting, simply not all bacteria are capable to do it.

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