1
Q
What is urea agar?
A
Urea agar is a differential media that is mainly used for the identification of bacteria that possess the enzyme urease.
2
Q
What is the basis of urea agar?
A
The basis of urea agar is that it contain urea and the pH indicator phenol red. When urea is split into ammonia and CO2 by urease, the ammonia alkalizes the medium which is detected by phenol red, changing the colour from light orange to pink.
Laboratory media and tests.
flashcards
Decks in class (34)
# Cards
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Differential and selective media.2
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Chromogenic agar.2
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MacConkey agar.2
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Blood agar.2
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Chocolate agar.2
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EMB agar.2
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SS agar.2
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Mannitol salt agar.2
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Hektoen agar.2
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M-tergitol 7 agar.2
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XLD agar.2
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CLED agar.2
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SDA agar.2
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Citrate agar.2
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Urea agar.2
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Nutrient agar.2
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Media solidity.4
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Gram staining.2
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Morphology observation2
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Motility testing.2
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Indole utilisation testing.2
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Methyl red testing.2
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Voges-Proskauer testing.2
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Citrate utilisation testing.2
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H2S production testing.2
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Glucose fermentation testing.2
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Catalase testing.2
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Oxidase testing.2
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Gelatine hydrolysis testing.2
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Urea hydrolysis testing.2
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Nitrate reduction testing.2
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Sterility testing.6
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Bioburden assessments.7
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Endotoxin testing.2
