Unformatted text preview: Question 9: In exon 8, the conserved region extends to the right and left of the exon. Which of these is the most plausible explanation for this? These sequences: A. are needed to be sure the mature mRNA is
B. control splicing of the pre-mRNA.
C. are the promoter.
D. contain the start and stop codons.
E. are the origin of replication....
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