Which of the following are the closest ancestors of humans (genus Homo)?
A. prosimians
B. gibbons
C. australopithecines
D. chimpanzees
Answer: C
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?-oxidation
A) is the second step in the oxidation of glucose. B) is a process used to oxidize fatty acids. C) occurs in the cytoplasm. D) is a process used to digest some polysaccharides. E) both choices B and C
X-ray crystallography showed that DNA:a
had the bases in the center of the molecule. b. had the sugars and phosphates on the outside of the molecule. c. was a very long molecule. d. was made of 2 strands. e. was a helix.
Which one of the following is NOT an effect of fever?
A) Increases production of T cells. B) Increases alpha interferon activity. C) Increases transferrin production. D) Kills pathogens. E) Increases interleukin-1.
The 2009 H1N1 flu virus
A) was an avian flu virus. B) was spread by mosquitoes. C) evolved through the genetic reshuffling of viruses that infect humans, birds, and pigs. D) killed over 50 million people worldwide.