Which of the following best describe the cells that result from the process of meiosis in mammals?
A. They are diploid
B. They can be used to repair injuries
C. They are genetically different from the parent cell
D. They are genetically identical to all the other cells in the body
E. They are idenctical to each other
Answer: C. They are genetically different from the parent cell
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Small pox
a. kills up to a third of all people it infects. b. kills over half of all people it infects. c. is only found in subtropical climates. d. was eradicated by 1850. e. is not described by any of these.
Mutation rates
A) can be affected by environmental factors. B) can be synonymous or non-synonymous. C) are equal in all species—this is why we can accurately calibrate a molecular clock. D) are generally unimportant in evolution. E) tend to be higher in E. coli than in Homo sapiens
What kind of analysis focuses on the order in which derived characters appeared in organisms?
a. cladistic analysis b. traditional classification c. taxonomy d. anatomy
In which type of response are Toll-Like Receptors (TLR's) important to pathogens?
A) innate response B) complement response C) protective immunity D) adaptive immunity E) barrier to infection