The functions of the neutrophiles in the innate immune system are phagocytosis and antigen presentation to the T cells.
a. true
b. false
Ans: b. false
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The unique genetic information for each individual is the result of
A. genetic recombination. B. selection. C. mRNA. D. recombinant DNA.
Both cyanobacteria and phytoplankton are
A) multicellular. B) eukaryotic. C) photosynthetic. D) parasitic. E) heterotrophic.
The complement fixation test uses red blood cells as the target for complement activation. Test serum containing antibodies is combined with a known amount of antigen in a tube, and then the RBCs and antibodies against the RBCs are added. A positive
result for the complement fixation test would be A) a line of precipitate near the bottom of the tube. B) a cloudy solution in the tube. C) loss of color in the tube. D) a fluorescent precipitate. E) a solution that is clear due to precipitation of RBCs.
A throat swab from a patient with a sore throat has been plated onto blood agar. At what temperature should it be incubated?
a. 25oC b. 30oC c. 37oC d. any of the above temperatures is appropriate