The rapid change in G6PD allele frequency and the correlation of this allele with areas of high rates of malaria suggests that ____ explains this change in G6PD allele frequency
a. genetic drift
b. artificial selection
c. X-linked inheritance
d. the founder effect
e. natural selection
e
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Q fever is apt to occur in epidemic form among ________.
A. slaughterhouse workers B. farmers C. veterinarians D. All of the choices are correct.
Which class of organisms makes up the detrital food web?
a. carnivores and decomposers b. decomposers and detritivores c. decomposers and producers d. herbivores and carnivores e. producers and herbivores
DNA polymerase III adds nucleotides ________
A) in the place of the primer RNA after it is removed B) to the 3' end of the RNA primer C) to both ends of the RNA primer D) to internal sites in the DNA template E) to the 5' end of the RNA primer
Epinephrine ________
A) decreases metabolic rate B) decreases heart rate C) increases absorption of glucose by the digestive tract D) increases breathing rate