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SOLVED: A bacterial species is inoculated on EMB agar. Answer the following questions. You may need to look up information in your lab reading, lecture textbook, or the internet. Be sure to cite your sources and match your answers to their lettered question.A) Why do the bacteria not grow on EMB?B) If the bacteria ferment lactose, what would you expect to see? (Think about color changes in the media or the bacterial colonies)C) Why do the bacteria produce clear or colorless colonies?

SOLVED: EMB agar is a medium used in the identification and isolation of pathogenic bacteria. It contains digested meat proteins as a source of organic nutrients. Two indicator dyes, eosin and methylene blue, inhibit the growth of gram-positive bacteria and distinguish between lactose fermenting and nonlactose fermenting organisms. Lactose fermenters form metallic green or deep purple colonies, whereas the nonlactose fermenters form completely colorless colonies. EMB agar is an example of which

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