The Ebola virus targets cells of the
a. liver.
b. kidney.
c. spleen.
d. liver and spleen.
Answer: D
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Molecular clocks that are used to estimate the time when organisms diverged from a common ancestor are only effective when
A) the rate of base substitution mutation is known. B) the protein cytochrome c of both the species is identical. C) fossil evidence is absent or unreliable. D) the species being compared are very closely related.
Aerobic degradation (pumping air or hydrogen peroxide into the contaminated site) is also known as ________
A) bioprocessing B) biostimulation C) bioventing D) composting E) landfarming
The distances between gene loci measured in terms of the frequency of recombination is indicated by a genetic ________.
A. profile B. map C. clone D. karyotype E. pedigree
Where is an estuary found?
A. It is at the top 100 meters of the sea. B. It is the water that forms at the mouth of a river where it meets the sea. C. It is below the top 300 meters of the sea where there is no light. D. It is a small temporary pond of water.