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11 Cards in this Set
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What is the application for the Desoxycholate Agar?,
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Used for isolation and differentiation among the Enterobacteria and to detect coliform bacteria in dairy products.
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What is the media for the Deoxycholate Agar?,
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Lactose. Sodium desoxycholate. And neutral red dye.
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What is the application for the Desoxycholate Agar?
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Used for isolation and differentiation among the Enterobacteria and to detect coliform bacteria in dairy products.
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What is the media for the Deoxycholate Agar?
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Lactose. Sodium desoxycholate. And neutral red dye.
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What is the purpose for each media?
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Lactose is a fermentable carbohydrate. Desoxycholate is a gram-positive inhibitor. and neutral red is a pH indicator.N
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What is the interpretation and Presumptive ID for a result of poor growth or no growth?
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Organism is inhibited by Desoxycholate. Gram-positive.
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What is the interpretation and Presumptive ID for a result of good growth?
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Organism is not inhibited by desoxycholate. Gram-negative.
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What is the interpretation and Presumptive ID for a result of red or pink growth?
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Organism ferments lactose to acid end products. Possible coliform.
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What is the interpretation and Presumptive ID for a result of colorless growth?
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Organism does not ferment lactose and no reaction. Noncoliform.
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The characteristics to look for on DOC agar are the quality of ____________ and ___________.
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Growth and color formation.
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neutral red will reveal_____________ by turning the bacterial growth____________ because _______ end products lowered the pH.
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Lactose fermentation red. acid.
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