Metabolic Unknown Dichotomous Key
By Meriel Category: Education. Viewed 4100 times.
Created July 2013.     Disclaimer.   
   
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Proteus mirabilis
| YES
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Ornithine-decarboxyl?
| YES
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Citrate-permease?
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Enterobacter aerogenes
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Tetrad Arrangement?
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NO
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NO
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YES
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NO
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NO
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YES
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Staphlyococcus aureus
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Staphylococcus epidermidis
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Urease?
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O-F Test: N
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Micrococcus luteus
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YES
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NO
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YES
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Citrobacter freundii
| NO
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Gelatinase?
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O-F Test: O
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Alcaligenes faecalis
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NO
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NO
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YES
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Bacillus Cereus
| YES
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1.5x10um or bigger?
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PR Lactose: K
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Pseudomonas fluorescens
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NO
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NO
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YES
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Bacillus subtilis
| YES
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Aerobic?
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Indole production?
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Proteus vulgaris
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NO
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NO
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YES
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Corynebacterium
xerosis
| YES
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Oxidase?
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Catalase?
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Escherichia coli
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YES
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YES
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NO
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Bacillus Megaterium
| NO
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Nitrate Reduction?
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Entercoccus faecalis
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