THE VIRTUAL EDGE: Lab 3 Bacterial Staining Techniques II

Acid-Fast Results:


Mycobacterium smegmatis & Staphylococcus epidermidis

Pink rods = Acid-fast
Blue cocci = nonacid-fast

The acid-fast Mycobacterium retains carbol fuchsin and stains hot pink. The Staphylococcus epidermidis is decolorized and the counterstain colors them blue.

Lab 3 / Gram Stain / Acid Fast Stain / Lab 3 Organisms

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