Of the four types of T helper cells, only ________ works to suppress immune cells
a. T reg
b. Th1
c. Th2
d. Th17
Answer: A
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What type of science is a researcher performing if she were conducting experiments to try and map the location of a gene on a particular chromosome?
A. functional genomics B. structural genomics C. proteomics D. functional genomics and proteomics E. structural genomics and proteomics
Individuals considered at greatest risk for contracting brucellosis are:
a. dairy farmers. b. fishermen. c. prison guards. d. those working with exotic birds.
What happens to air as it is cooled?
a. It rises. b. It sinks. c. It moves horizontally. d. It moves at a faster speed. e. It does none of these
Fossil fuels, such as coal and oil, are derived from which biogeochemical cycle?
a. The hydrological cycle b. The phosphorous cycle c. The carbon cycle d. The oxygen cycle e. The nitrogen cycle