21.3: Pre-lab Questions
- Page ID
- 40290
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- Why are some bacteria Acid-Fast, and most others are not?
- Compare the decolorizer used in the Gram stain, with the one used in the Acid-Fast stain.
- Why is the Acid-Fast stain and important diagnostic tool?
- Color in the following diagram of bacteria (clear, pink, or blue) during the various stain steps:

Contributors and Attributions
Kelly C. Burke (College of the Canyons)