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Lucci_prelab4_Monday

Exercise 41 4 identify the reagent used to stain the

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Exercise 4.1 4. Identify the reagent used to stain the bacteria. Crystal violet stain 5. What is the role of the bibulous paper? To dry the slide after washing away the crystal violet stain. 6. List and describe three types of internal consistencies of bacterial colonies. Mucoid (watery) Butyrous (buttery) Leathery (dry surface) 7. What is the purpose of heat-fixing the bacterial smear? Cements the bacteria to the slide so they will not be washed off later during the staining process. 8. Identify three bacterial morphology! Bacillus (rod-shaped) Coccus (spherical) Spirillium (spiral) 9. Other than single cell arrangements, what other bacterial cell arrangements are possible? In pairs (diplo), clusters (staphyl), or in chains (strepto)
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Exercise 4.2: 10. List four features (characteristics) of Cyanobacteria. Thylakoids, photosynthetic, filamentous, and the ability to fix atmospheric nitrogen to ammonia/nitrates. 11. List the two cyanobacteria to be used in this exercise. Exercise 4.3: 12. List at least two features of the Protista. Microscopic unicellular eukaryotic organism.
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Exercise 41 4 Identify the reagent used to stain the...

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