True. Kovac's reagent (containing p-dimethylaminobenzaldehyde) is used to detect indole production from tryptophan metabolism. A red layer forms at the top of the tube when indole is present, as seen with E. coli but not Klebsiella.

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Zambia

• Joseph Soko – 101 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies