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5 Cards in this Set
- Front
- Back
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What is the purpose of the TSI test?
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Differentiate members of Enterbacteriaceae and between them and other intestinal bacteria
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Why does the TSI tube turn yellow?
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Bugs that can metabolize carbs, produce acid.
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If only glucose is fermented what how will the tube appear?
How will tube appear if lactose and/or sucrose is also metabolized? |
butt will be yellow
entire tube will be yellow including slant. |
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What is occuring when we see blackening of the agar?
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Bug is liberating sulfides from ferrous ammonium sulfate or sodium thiosulfate to produce H2S
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What is the pH indicator in the TSI agar
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phenol red
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