Humans gain the least amounts of water by what
route(s)?
a. metabolism
b. ingestion of liquids
c. ingestion of solids
d. ingestion of liquids and of solids
e. all of these contribute equal amounts of water
Answer: a
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A 68-year-old man has an osteomyelitis infection as a result of bacteremia. The most common etiologic agent found in this infection is:
a. Haemophilus spp. b. S. aureus. c. Pseudomonas aeruginosa. d. Fusobacterium necrophorum.
The E-site
A. is found on the RNA polymerase enzyme. B. is responsible for the release of the tRNA. C. is found on the 35S polysome. D. is the aminoacyl site. E. is responsible for the release of the tRNA AND is the aminoacyl site.
Which of the following is the best definition of desertification?
a. a drought-like condition where rainfall is 20% less than normal for a period of over 2 years b. a conversion of grassland or woodlands to desert-like conditions c. an ecological disaster d. a process where farm animals overgraze prairie lands
The photograph above of the aphid and the
wasp is an example of a. mimicry. b. display behavior. c. warning coloration. d. chemical defenses. e. biological control of pests