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Topic: Transcription, genetic code, translation, protein biosynthesis· Genetics and Evolution

Which of the following are the post-transcriptional events in an eukaryotic cell?A. Transport of pre-mRNA to cytoplasm prior to splicing.B. Removal of introns and joining of exons.C. Addition of methyl group at 5' end of hnRNA.D. Addition of adenine…

Which of the following are the post-transcriptional events in an eukaryotic cell?

A. Transport of pre-mRNA to cytoplasm prior to splicing.

B. Removal of introns and joining of exons.

C. Addition of methyl group at 5' end of hnRNA.

D. Addition of adenine residues at 3' end of hnRNA.

E. Base pairing of two complementary RNAs.

Choose the correct answer from the options given below :

1. A, B, C only

2. B, C, D only

3. B, C, E only

4. C, D, E only

1 answer

Best answer

Answer: 2. B, C, D only

Key idea: Post-transcriptional processing of hnRNA includes splicing (B), 5' capping with methylguanosine (C) and tailing, adding adenylate residues at the 3' end (D).

A is wrong because splicing happens before transport to the cytoplasm. E is not a processing event. So B, C, D.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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