The ratio of a medication's dose that can be tolerated to its effective dose is the therapeutic (index/range/window) of the medication.
Fill in the blank(s) with the appropriate word(s).
index
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What is the fate of the extra X chromosome in females?
a. Both X chromosomes are maintained normally. b. The extra X chromosome is degraded after each cell division. c. The extra X chromosome condenses. d. The extra X chromosome duplicates. e. The extra X chromosome is deleted after fertilization and is not present in the remainder of cells in the body.
The decline in the occurrence of sickle-cell anemia in the American population is most likely the result
of
a. a lower mutation rate in the United States than in Africa. b. the advantage of both homozygous forms over the heterozygous form. c. the development of appropriate medical treatment for the sickle-cell condition in the United States. d. a decline in the occurrence of malaria in the United States. e. the absence of mosquitoes.
Whatever the motivation of self-sacrificing behavior
on the part of nonhuman animals is, we have no evidence that it is a. genetic. b. the result of selection. c. derived from conscious reasoning. d. a result of dominance hierarchy. e. related to species-survival strategies.
You accidentally exposed your cell culture dish to radiation, but you are not sure of the precise wavelength of the exposure
How can you use the induced DNA damage to tell whether the radiation was UV or higher energy? What is the difference between the DNA damage caused by UV radiation compared to higher-energy radiation? Which type of damage is likely to be the most lethal to your cells?