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9 Cards in this Set
- Front
- Back
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mineral oil
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ensures anaerobic conditions, layered on the surface of a lysine decarboxylase
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nitrates to nitrites
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nitrates gain electrons and become nitrites when they gain the electrons
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nitrate reduction test
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add nitrate reagent A and B, if it turns red it's positive, if not keep testing by adding zinc (if red after zinc then negative), zinc shows that nitrates were never reduced and are still present
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Simmon's Citrate
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blue = positive
green = negative |
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Urea
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negative = peach color
positive = hot pink |
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Voges Proskauer
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tests for the production of acetoin
positive = red at top negative = yellow at top |
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Methyl Red
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detects acids as the final end product of glucose fermintation
negative = yellow positive = red |
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Kligler
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black = reduction if sulfur
yellow butt = fermentation of glucose yellow top = fermentation of lactose red top = breakdown of peptone cracks in agar or butt gas = fermentation |
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endospores are more resilient than the cell wall of what organisms?
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gram negative
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