Which of the following cytopathic effects is cytocidal?
A) inclusion bodies
B) giant cells
C) antigenic changes
D) transformation
E) release of enzymes from lysosomes
E
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In New Mexico, large expanses of black lava create patches of unique habitat. If, in every generation, selection favors the darkest colored pocket mice in those habitats because they are best hidden from predators, this would be an example of:
A. balancing selection. B. stabilizing selection. C. directional selection. D. disruptional selection. E. heterozygote advantage.
What might be an advantage to using an individual's own stem cells instead of pancreatic cell allografts to treat type I diabetes?
A. Stem cells can disable the immune responses that led to the diabetes state in the first place. B. This process should be far cheaper than the surgical intervention needed for the allograft. C. You can't do this-stem cell research it is still theoretical, not approved by the FDA, and is currently illegal in the United States. As such, there is no advantage. D. If you were able to use a person's own cells, it would be considered an autograft rather than an allograft. As such, there should be no HLA/MHC matching required, and no long-term anti-rejection drugs needed.
The technique used to initially identity promoter sequences was
A) DNA fingerprinting. B) chromosomal walking. C) DNA footprinting. D) chromatin immunoprecipitation assay. E) RNA protection.
Bacteria are multicellular microbes
Indicate whether the statement is true or false