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More_review_questions_for_first_exam - 1 ,...

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More review questions for first exam… 1.  What is the Gram reaction, morphology and any unique characteristic of the following  organisms?   Nostoc, E. coli, Salmonella, E. coli  O157:H7,  Staphylococcus aureus,  Staphylococcus epidermidis, Streptococcus pyogenes, Clostridium, Bacillus,  Pseudomonas, Penicillium, Saccharomyces, Thermus aquaticus, Bacillus  stearothermophilus, Mycoplasma 2. Draw a diagram of the structure of Gram negative and Gram positive cell walls.  How are  they similar and different.  Name a Gram negative and a Gram positive bacteria. 3. Draw the basic structure of a bacterial cell.  Label the components and include their  functions. 4. How are eukaryotic cells different from bacteria?  What eukaryotic organisms would a  microbiologist study? 5. How would you isolate and identify an unknown bacterium  from a sample?  What are 
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