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Biology, 06.07.2019 05:10 kevinseven23

Microbes are often identified using biochemical tests that detect specific enzymes of metabolic pathways. e. coli typically ferments lactose, whereas shigella does not. if a pure culture of each bacterium was placed in a tube containing lactose as the only food source, and a chemical indicator changed color after a ph change, what would the tubes look like after the bacteria were incubated?

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