Which disease has been essentially eliminated as a result of rigorous vaccination and quarantining procedures?
a. bubonic plague
b. encephalitis
c. malaria
d. smallpox
Answer: D
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Which evolutionary innovation was most significant in helping tetrapods move to dry terrestrial environments?
A) the lung B) the amniotic egg C) bone D) limb specialization E) endothermy
In all bryophytes, the sporophyte remains embedded in the thallus
A. true B. false
Before clotting factors from recombinant DNA became available, more than half of hemophiliacs in the U.S. acquired HIV from injection of clotting factors obtained from donated blood
a. True b. False Indicate whether the statement is true or false
What is proteomics?
a) the study of how a single gene activates many proteins b) the study of how amino acids are ordered in a protein c) the totality of the functional possibilities of a single protein d) the study of the full protein set encoded by a genome e) the linkage of each gene to a particular protein