Which of the following bacteria are Gram negative bacilli, have adapted to more acidic pH levels, and are the cause of food borne illness?
a. Salmonella typhi
b. Vibrio cholera
c. Escherichia coli O157:H7
d. Hospital Acquired Staphylococcus aureus
Answer: c. Escherichia coli O157:H7
Biology & Microbiology
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In a scientific experiment, the investigator measures the response of the ________ variable(s)
A. dependent and independent B. control group C. dependent D. standardized
Biology & Microbiology
Which of the following is NOT part of the appendicular skeleton?
a. clavicle b. scapula c. fibula d. ribs e. patella
Biology & Microbiology
New bacterial characteristics are being produced by splicing strands of
A. mRNA. B. carbohydrates. C. tRNA. D. DNA.
Biology & Microbiology
A sample from a patient is prepared using the Gomori methenamine silver stain. What type of microbe is suspected of being present?
A) bacteria B) parasitic worm larva C) fungus D) protozoal parasite E) virus
Biology & Microbiology