Which of the following is a post-transcriptional modification of mRNA in eukaryotic cells?

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Synthesis of a complementary DNA strand

Formation of a peptide bond

Addition of a poly-A tail

Removal of introns

Answer: Addition of a poly-A tail

Explanation:

Addition of a poly-A tail to the 3' end of mRNA molecules is a post-transcriptional modification that occurs in eukaryotic cells. It plays a role in mRNA stability, nuclear export, and translation initiation.

MCQ Detail

Which of the following is a post-transcriptional modification of mRNA in eukaryotic cells?

Explanation:

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