SOS repair
A. requires RecA protein.
B. is error prone, i.e., produces mutations.
C. is inducible by DNA damage.
D. All of the choices are correct.
Answer: D
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Which of the following is an advantage of cDNA libraries?
A. cDNA libraries are easy to make. B. cDNA libraries utilize genomic DNA, which is easy to obtain. C. cDNA lacks introns and therefore reflects all the genes expressed by a particular tissue or organism. D. cDNA lacks exons. E. cDNA libraries are more stable than other DNA libraries.
Viral nomenclature uses the same system as living organisms; a genus and specific epithet is designated for each virus.
Answer the following statement true (T) or false (F)
If you were to evaluate these claims using the scientific method, what would be the first step?
A) Conduct an experiment. B) Gather testimonials. C) Develop a hypothesis. D) Evaluate the results.
If you see moss near the base of a tree in your yard, the green leafy moss plants are
A) gametophytes. B) gametes. C) sporophytes. D) zygotes. E) spores.