1.

With regard to mature mRNA in eukaryotesA. exons and introns do not appear in the mature RNAB. exons appear but introns do not apper in the mature RNAC. introns appear but exons do not apper in the mature RNAD. both exons. And introns appear in the mature RNA

Answer» Correct Answer - D
In eukaryotes, the monocistronic structural genes have interrupted coding sequences i.e., the genes in eukaryotes are split. The coding sequences or expressed sequences are defined as exons.
These sequences (exons ) appear in mature or processed RNA. THe exons are interrupted by introns or intervening sequences which do not appear in mature or processed RNA.


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