Microbiology Quiz
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MICROBIAL GROWTH AND CONTROL
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MacConkey agar contains crystal violet, bile salts, lactose, and neutral red. A strain of Proteus mirabilis, which is a Gram-negative non-lactose fermenter, is inoculated onto this agar. Which component(s) of the medium are primarily responsible for allowing the growth of P. mirabilis while inhibiting the growth of Enterococcus faecalis?
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