The streamlined shape of the dolphin, seal, and other swimming animals is most important for which of the following reasons?
A. reducing drag from the water they must swim through
B. overcoming the forces of gravity acting on the animal
C. reducing the density of the water they must swim through
D. maintaining a low speed in the dense medium
E. All of the choices for this question are correct
A. reducing drag from the water they must swim through
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Isoelectric focusing
A. directly reveals the identity of unknown proteins in a complex mixture. B. separates proteins based on the pH at which they are electrically neutral. C. separates proteins based on their size and shape. D. focuses the data gathered onto a specific protein or ORF.
One of the most pathogenic hemorrhagic fever viruses belongs to the _________ family
a. Filoviridae b. Flaviviridae c. Papovaviridae d. Picornaviridae
The lumbar and cervical curves of the vertebral column are called
A) secondary curves. B) primary curves. C) quaternary curves. D) tertiary curves. E) None of the answers are correct.
Which of the following are true about plague?
A) There is a bubonic form, during which buboes develop. B) There is a pneumonic form, in which the sputum is highly contagious. C) There is a septicemic form called the Black Death. D) The disease can be controlled by controlling the rodent population. E) All of these choices are correct