In Lab 2 you were introduced to simple staining techniques that ... they do not reveal details about the bacteria other than morphology and arrangement. The Gram stain is a differential stain commonly ...

What can? Gram's stain experiment pointed toward some sort of difference in the structures of various bacterial cells. However, it was not until the early 1950s that scientists started to ...

Next lab we will start performing the definitive tests ... unnecessary tests while still being confident in your identification. _____ • Perform a Gram stain using growth from the working slant. This ...