Produces enzyme tryptophanase?

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Produces acid end products from glucose fermentation?

pH indicator = methyl red

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Produces alkaline and non-acid end products from glucose fermentation?

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Metabolize citrate (sole carbon source)?

pH indicator = brom thymol blue

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Can ferment glucose, lactose, or sucrose?

Acidic = yellow

Alkaline = hot pink

Gas in tube?

pH indicator = phenol red

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Produces enzyme urease?

Positive = Pink

Negative = Yellow

pH indicator = phenol red

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Presence of enzyme phenylalanine deaminase?

Positive = Slant turns green

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Produces flagella?

Positive = fanning of growth

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Produces enzyme catalase?

Positive = produces bubbles after adding hydrogen peroxide

Presence of enzyme cytochrome oxidase?

Positive = blue color

Negative = clear

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Selective = Gram - Rods, Differential = lactose fermenter/non-fermenter

Positive = Pink

Negative = Clear

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Selective = Gram - Rods, Differential = Salmonella from Shigella

Ferments sugar --> yellow on agar

Salmonella = black

Other colonies = yellow

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Selective = Gram - Rods

Differential = ferments lactose and/or sucrose

Ferment = orange/yellow

Don't Ferment = blue/green

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