Which of the following terms is most characteristic of innate immunity?
a. specificity
b. memory
c. gene rearrangement
d. phagocytosis
e. clonal selection
D
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What does the process of extravasation involve?
A. movement of phagocytes from the bloodstream into infected tissue B. the engulfing of a pathogen by a phagocyte C. release of chemical signals such as histamines or cytokines D. coating of a pathogen with C-reactive protein
Mutations in ____________________ cells will be passed on by cell division, but cannot be transmitted to future
generations. Fill in the blank(s) with the appropriate word(s).
The remaining energy in the producer level that is available for consumers is the
A. gross primary consumption. B. net primary consumption. C. gross primary production. D. net primary production.
Which biome is pictured here?
a. temperate deciduous forest b. chaparral c. tropical rainforest d. temperate grassland e. boreal forest