THE VIRTUAL EDGE: Lab 4 Bacterial Staining Techniques III

Bacterial Staining Techniques III

Recently we have done two differential stains, the Gram stain and the Acid Fast stain. Both stains differentiate between bacteria chemically. The two staining techniques of Lab 4 differentiate by structural differences to tell one type from the other. The first stain (the endospore stain) will detect cells that from endospores, and the capsule stain will detect bacteria with a mucoid capsule around it.

Differential Stains (Structural)

Lab 4 Organisms

Lab 4 / Endospore Stain / Capsule Stain / Lab 4 Organisms

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