How did researchers test if flatworms could moderate the immune system?
A. exposing white blood cells to flatworm antigens and measuring interleukin-10 concentrations
B. exposing white blood cells to dust mite antigens and measuring interleukin-10 concentrations
C. exposing white blood cells to flatworm antigens and measuring histamine concentrations
D. exposing white blood cells to dust mite antigens and measuring histamine concentrations
E. infecting children with flatworms and looking at their number of white blood cells
A. exposing white blood cells to flatworm antigens and measuring interleukin-10 concentrations
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All of the following are model organisms whose genomes were sequenced as part of the original
Human Genome Project except
a. Mus musculus (mouse) b. Escherichia coli (bacteria) c. Drosophila melanogaster (fruit fly) d. Caenorrharbditis elegans (nematode) e. Danio rerio (zebrafish)
In relation to functional groups, what is an R-group?
a. An R-group is an abbreviation that denotes the addition of a phosphate to any functional group. b. An R-group is an abbreviation used to show any group to which the functional group is attached, usually at a carbon or hydrogen atom. c. An R-group indicates that the functional group was formed through dehydration synthesis. d. An R-group is an abbreviation for an acetyl group in inorganic chemistry.
Fishery effort combined with catch data is used to
a. determine if a fishery is in jeopardy. b. determine the pay rate for fishers. c. determine the economic value of a fishery. d. estimate the ocean's productivity.
Which kingdom would include an organism that is multicellular and makes its own food?
A) kingdom Animalia B) kingdom Fungi C) kingdom Plantae D) kingdom Protista