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Biology 11 Online
OpenStudy (anonymous):

describe the salient features of McConkey agar

OpenStudy (anonymous):

It's a selective agar for the cultivation of gram-negative bacteria (like salmonella) from all kinds of media, like wastewater. Now the core feature is: lactose-positive bacteria (able to perform lctose fermentation) will receive a red colour on this agar, whereas lac-negative bacteria will remain uncolored.

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