Question -
Segments of mRNA removed during splicing are ________.
Options:
A .  Introns
B .  Exons
C .  Promoter regions
D .  Integrator regions
Answer: Option A : A In eukaryotes, the DNA includes introns and exons. Introns are the non-coding regions that are removed from the mRNA during splicing. Only the exons, which actually code for genes, are retained.
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