Lab Exam 3 - Unknown Project Metabolic Tests)

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Phenol Red Sugar Fermentation (Purpose / Enzyme)

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Fermentation of various sugars by bacteria

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Methyl Red (Purpose/ Enzyme)

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Fermentation of glucose

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Voges-Proskauer (VP) (purpose/enzyme)

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Fermentation of glucose

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catalase (purpose/enzyme)

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Test for presence of catalase enzyme

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oxidase (purpose/enzyme)

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Test for the presence of Cytochrome C oxidase

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nitrate reduction (purpose/enzyme)

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Test for the presence of nitrate reductase

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starch hydrolysis (purpose/enzyme)

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Test for the presence of Amylase

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citrate utilization (purpose/enzyme)

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Citrate is used as the sole source of carbon (enzyme citrase)

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tryptophan hydrolysis (purpose/enzyme)

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Test for the presence of Tryptoophanase

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H₂S production (purpose/enzyme)

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Test for the ability of bacteria to reduce sulfer to Hydrogen Sulfide