Note: Formation of an endospore. The spore stains green and the vegetative cells stain red to orange. Students will work individually. Prepare a smear of Bacillus subtilis using a darkly colored ...
However, negative staining does not differentiate bacteria ... Using a flamed inoculating NEEDLE, pick up a small amount of Bacillus subtilis and stir it into one drop of Congo Red. 3. Use a toothpick ...