The primers in PCR are ____
a. fragments of mRNA
b. designed to base pair with mRNA
c. free nucleotides
d. radioactive
e. needed to initiate the reaction
ANSWER: e
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Traveling to a high altitude can result in “altitude sickness.” However, the body eventually adjusts
through which mechanism?
a. Increased hemoglobin production. b. Increased erythrocyte production. c. Increased secretion of erythropoietin. d. Increased hemoglobin production and increased erythrocyte production. e. Increased hemoglobin production as a result of increased secretion of erythropoietin.
The large organism shown here belongs to the
__________ group? a. kinetoplastids b. diplomonads c. green algae d. red algae e. brown algae
Four of the five enzymes listed below digest the
same class of foods. Select the exception. a. aminopeptidase b. pepsin c. amylase d. trypsin e. chymotrypsin
Which is mismatched?
A. Epidemic typhus - body louse feces B. Murine typhus - flea feces C. Rickettsial pox - mite bite D. Rocky Mountain spotted fever - tick bite E. Human ehrlichiosis - flea bite