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