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RNA transcription is more complex in eukaryotes because it is first made as a primary RNA transcript that contains intron and exon sequences. What kind of modification must occur to produce a mature mRNA?

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RNA transcription is more complex in eukaryotes because it is first made as a
primary RNA transcript that contains intron and exon sequences. What kind of
modification must occur to produce a mature mRNA?
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1 Answer

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RNA splicing.
Introns must be removed and exons are spliced together to form a mature RNA
transcript.
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