Many primate adaptations are a response to
living in
a. warm climates.
b. trees.
c. underground burrows.
d. deserts.
e. grasslands
B
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______ release the cytokines IL-1 and TNF, which activate _________.
A. Helper T cells, B cells B. Macrophages, complement C. Helper T cells, antigen presenting cells D. Macrophages, helper T cells E. Non-antigenic cells, CD4 cells
Viruses may not be cultivated in
A. live organisms. B. embryonated chicken eggs. C. tissue culture. D. blood agar.
The ozone layer is known to thin above what
region(s)? a. Antarctica b. the equator c. 60 degrees north and south latitudes d. 30 degrees north and south latitudes e. all of these
The major product of the Calvin Cycle is
a. rubisco b. oxaloacetate c. RuBP d. pyruvate e. glyceraldehyde - 3- phosphate