An epidemiologist is investigating a new disease and observes what appear to be bacteria inside tissue cells in clinical samples from victims. The scientist wants to try to isolate the bacteria in the lab. What culture conditions are most likely to be successful?
A) culturing on blood agar plates
B) inoculation of EMB plates
C) incubation in an anaerobic culture system
D) inoculation of cell cultures
E) inoculation of a minimal medium broth
D
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Which of the following is an example of a subunit vaccine?
A) The surface protein of a virus is used to make the vaccine. B) The virus is exposed to ultraviolet light. C) The virus is exposed to formaldehyde. D) The virus is grown in a host other than humans and thus grows more slowly than normal.
"P" is the elemental symbol for
A. nickel. B. potassium. C. plutonium. D. phosphorus. E. copper.
Genotype means
a. the genes an individual has. b. the number of gametes in an individual. c. the combination of alleles in an individual. d. the observable expression of the genes in an individual. e. the number of chromosomes in an individual.
The PNS arises from which of the following?
A. Ectoderm B. Endoderm C. Mesenchyme D. Mesoderm E. Neural Crest