You inoculate a species of bacteria on a MacConkey agar. It normally shows positive for growth and ability to breakdown lactose. What other method would you use to confirm the result of the MacConkey agar, and what result would you expect?

Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter7: Basic Clinical Microbiology
Section7.4: The Gram Stain
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You inoculate a species of bacteria on a MacConkey agar. It normally shows positive for growth and ability to breakdown lactose. What other method would you use to confirm the result of the MacConkey agar, and what result would you expect?

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MacConkey Agar is a differential agar for Lactose fermentation while if no other Sugars are used, MacConkey Agar is a selective agar for Lactose fermentation.

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