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Anonymous
Anonymous asked in Science & MathematicsBiology · 3 years ago

Lysine Iron Agar is not designed to identify ability of organism to ferment.?

Why then is glucose added to the medium ( beyond being just another nutrient) ?

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  • Anonymous
    3 years ago
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    Glucose is the main energy source, and peptone is the main nitrogen source. The test checks for specific chemical actions on lysine, deamination or decarboxylation, as well as hydrogen sulfide generation which will produce a black iron precipitate.

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