1Euglena is described as sharing characteristics of both plants and animals. Which of the following is a plant-like characteristic possessed by Euglena?
2What are Cyanobacteria?
3Why is oil immersion used with the 100x objective lens in microbiology?
4During a Gram stain, what is the primary reason Gram-positive organisms like Staphylococcus aureus retain the purple color?
5Which of the following occur during the Gram stain (Burke's method) procedure?
6Which bacterial genera are most likely to be used for endospore staining because they are endospore formers?
7In an acid-fast stain, what color do non-acid-fast cells and field debris appear?
8What is the purpose of using the 'boiling water on a tripod' technique during endospore staining?
9Which of the following describes the results of a negative stain of Escherichia coli?
10Name one specific stain used during the acid-fast staining procedure.
