Microbiology Study Set 2
Quiz 11 :
Characterizing and Classifying Prokaryotes
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Q21 Q21 Q21
A soil sample dilution spread on a plate containing carbohydrate-based medium yields a wide variety of colonies. One colony has no other bacterial colonies growing near it. Further investigation reveals the bacteria in the colony are Gram -positive and filamentous. The bacteria in the colony may be a member of the genus
Q24 Q24 Q24
A Gram stain of a tissue sample from a patient shows Gram-negative spheres that can barely be resolved on the best light microscope. A transmission electron micrograph reveals the spheres have a double membrane but no cell wall. The intracellular parasites are likely to be a
Q71 Q71 Q71
Will is a graduate student working in a microbiology lab. He is given the task of characterizing a newly discovered nitrogen fixing bacterium. What type of tests or observations will help him determine whether it is a member of the Cyanobacteria, alphaproteobacteria or gammaproteobacteria?