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11 Cards in this Set

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