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Biology LibreTexts

21.5: Post-lab Questions

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    1. If a patient presented with a bloody cough and other symptoms of tuberculosis, what are the primary tools used for diagnosis? Hint: check out the resources section
    2. Why is the Acid-Fast stain considered both a structural stain and a differential stain?
    3. What is the purpose of using an acid-alcohol decolorizer? What would your results be if you used water or acetone-alcohol instead?

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