What makes eukaryotic transcripts easier to isolate than transcripts in bacteria?
A) Eukaryotic transcripts are not methylated but their genes are often methylated.
B) Larger transcript size in eukaryotes enables easy size-selection methods.
C) mRNA is polyadenylated in eukaryotes.
D) Transcripts are the most abundant RNAs in eukaryotes.
Answer: C
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Surgical removal of the pancreas would
A. increase the acidity of the small intestine. B. prevent the production of chyme in the stomach. C. eliminate the ability to store bile in the gallbladder. D. block the secretion of bile. E. All of these changes would be a result of pancreas removal.
Explain the ethical concerns with germline gene therapy in humans
What will be an ideal response?
In the Ames test, the more mutagenic the test substance, the greater the number of revertant colonies the test plate should show.
A) True B) False
Lichens are mutualisms between
A. fungi and a green plant. B. yeast and another fungi. C. fungi and a mycorrhizae. D. mycorrhizae and yeast. E. fungi and an alga.