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Chapter 18-19

Question:

Gene expression might be altered at the level of post-transcriptional processing in eukaryotes rather than prokaryotes because of which of the following?



A. Eukaryotic mRNAs get 5' caps and 3' tails. B. Eukaryotic exons may be spliced in alternative patterns.
C. Eukaryotic coded polypeptides often require cleaving of signal sequences before localization. D. Prokaryotic genes are expressed as mRNA, which is more stable in the cell. E. Prokaryotes use ribosomes of different structure and size.

Answer:

B. Eukaryotic exons may be spliced in alternative patterns.
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Last update by mayurcooled on 04/23/2014
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Chapter 18-19
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Question: Gene expression might be altered at the level of post-transcriptional processing in eukaryotes rather than prokaryotes because of which of the following? A. Eukaryotic mRNAs get 5' caps and 3' tails. B. Eukaryotic exons may be spliced in alternative patterns. C. Eukaryotic coded polypeptides often require cleaving of signal sequences before localization. D. Prokaryotic genes are expressed as mRNA, which is more stable in the cell. E. Prokaryotes use ribosomes of different structure and size.
Answer: B. Eukaryotic exons may be spliced in alternative patterns.