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  • With regard to mature mRNA in eukaryotes: a. exons and introns do not appear in the mature RNA b. exons appear but introns do not appear in the mature RNA

With regard to mature mRNA in eukaryotes:

a. exons and introns do not appear in the mature RNA

b. exons appear but introns do not appear in the mature RNA

c. introns appear but exons do not appear in the mature RNA

d. both exons and introns appear in the mature RNA

Answers (1)

The answer is the option (b) Exons appear but introns do not appear in the mature RNA

Splicing is the process by which exons are joined together and introns are removed to create mature messenger RNA (mRNA) in eukaryotes. In an RNA transcript, exons are coding regions while introns are non-coding sections. Translation is the process by which the mature mRNA is subsequently utilised to create proteins. Hence, (b) is the correct option.

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