Genetic exchange in segmented viruses that allows a zoonotic virus to infect humans is termed
A. antigenic shift.
B. hemagglutination.
C. genetic reassortment.
D. antigenic drift.
A
Biology & Microbiology
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Glycolysis and the TCA cycle are two of the most important catabolic pathways in chemoorganotrophs.
Answer the following statement true (T) or false (F)
Biology & Microbiology
The global patterns of atmospheric circulation and precipitation occur because of
A. the cooling of the land. B. rising masses of warm air and sinking masses of cool air. C. the greenhouse effect. D. global differentials in sea surface temperature. E. winds blowing off of the world's major mountain chains.
Biology & Microbiology
The usual F2 phenotypic ratio of a dihybrid cross is
a. 1:1. b. 2:1. c. 9:3:3:1. d. 1:2:1. e. 3:1.
Biology & Microbiology
Which system plays a major role in salt, water, and pH homeostasis of the blood?
Biology & Microbiology