A biologist who searches for explanations about natural phenomena solely to satisfy her curiosity and advance our
collective knowledge of living systems practices ____.
a. artificial science
b. basic research
c. general research
d. applied research
e. simple research
b
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Mass-processed ground meat is a particularly common source of infection with EHEC
Indicate whether the statement is true or false.
To create transgenic mice, DNA is injected into
A) a pronucleus of a zygote. B) the cytoplasm of a zygote. C) the nucleus after the pronuclei have fused. D) a pronucleus of one cell from an embryo.
Which of the following is not a characteristic of the normal biota of the female reproductive tract during childbearing years?
A. Estrogen causes glycogen release. B. Candida albicans is present in small amounts. C. Lactobacilli convert sugars to acid. D. Secretory IgA provides protection. E. Vaginal pH is neutral.
Which of the following causes of viral meningitis is transmitted by the fecal-oral route?
A) Eastern equine encephalitis virus B) California encephalitis virus C) West Nile virus D) echovirus E) rabies