In a small population of cockroaches living in your kitchen, only a few roaches mate in one year. This can lead to random changes in allele frequency in the population through ______
A. nonrandom mating.
B. selection.
C. genetic drift.
D. mutation.
E. migration.
C. genetic drift.
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According to the endosymbiosis hypothesis
A. the first endosymbiotic event involved an anaerobic bacterium. B. the mitochondrion evolved from the same endosymbiont as the hydrogenosome. C. the first endosymbiont was a fermentative organism. D. All of the choices are correct.
Drugs that are HIV protease inhibitors
A. prevent HIV protease from degrading host cell proteins. B. block the translation of HIV proteases. C. bind to HIV proteases. D. prevent HIV proteases from breaking apart capsid proteins. E. bind to HIV proteases and prevent the proteases from breaking apart capsid proteins.
The condition known as "Philadelphia chromosome" is an example of ____
a. inversion b. deletion c. duplication d. translocation e. cross over
Factors that influence the rate at which microbes are killed by antimicrobial agents include all of the following EXCEPT
A) the number of organisms present. B) the concentration of the agent. C) the presence of interfering organic matter. D) None of the choices are correct.