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Microbiology Lab Final Study guide

Microbiology Lab Final Study guide

Microbiology Lab Final Study guide

Which of the following may benefit from the identification of specific microorganisms? 
- Environmental bioremediation programs 
- Criminal investigations
- Radiation treatment of produce and meats
- Treatment of infectious disease - - Environmental bioremediation programs
- Criminal investigations
- Treatment of infectious disease

_______________ identification methods examine the DNA sequence of an organism, whereas _______________ identification methods use antibody-antigen reactions to identify microorganisms. - Genotypic; immunologic

Which methods used to identify a microorganism causing an infection rely on the response of the host, rather than observation of the microorganism's properties? - Immunologic methods

Which of the following would be most valuable to confirm the identification of microorganisms isolated during a food poisoning outbreak?
- Growth on agar plates to identify colony morphology 
- Gram stain to view cellular morphology 
- Identification of microorganisms using microscopic, cultural, and physiological characteristics - Identification of microorganisms using microscopic, cultural, and physiological characteristics

What three main approaches can be used by microbiologists to identify microorganisms? 
- Antibiotic
- Atmospheric
- Transgenic
- Genetic 
- Immunologic
- Phenotypic - - Genetic
- Immunologic 
- Phenotypic

Which of the following correctly describes E. coli?
- Can move using its flagella
- Possesses the enzyme for tryptophan breakdown 
- Ferments only glucose
- Would be pink on MacConkey agar plate after incubation 
- Does not produce acids during fermentation - - Can move using its flagella
- Possesses the enzyme for tryptophan breakdown
- Would be pink on MacConkey agar plate after incubation

What is the minimum number of media that you would need to inoculate to determine the red-circled items on this flowchart? - Three

E. coli would appear _________________ in color and _________________ - shaped under microscopic examination. - Pink; rod

Which of the following tests could have been used to determine that E. coli is a lactose-fermenter?
- Methyl red test
- KIA test
- MacConkey agar
- SIM medium
- Urease test - - KIA test
- MacConkey agar

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