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Suppose the DNA of a gene contains five motifs (A,B,C,D,and E)in that order.Motifs A,B,and D are located in introns,while motifs C and E are located in exons.
-What is the order of the motifs in the mature mRNA transcribed from that sequence?
A) CE
B) ABD
C) BAD
D) ABDCE
E) ABCDE

Question

Quizplus · Accepted Answer

Motifs A, B, and D are located in introns, which are removed during RNA splicing. Motifs C and E are located in exons, which are retained in the mature mRNA. Therefore, the order of the motifs in the mature mRNA is CE.

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