STANDARDZoology-Genetics
STANDARD Zoology mRNA Processing MCQ Question
Type: MCQ-conceptual-Medium
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
Correct Answer
Option B
Detailed Explanation
Eukaryotic mRNA need post transcription modification i.e. splicing; capping and polyadenylation. Eukaryotic mRNA consist of exons (part of RNA that code for proteins) and introns (non coded part of mRNA). Splicing involves the removal of introns and joining of exons.
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