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

What is the role of RNA polymerase III in the process of transcription in eukaryotes ?

1. Transcribes rRNAs (28S, 18S and 5.8S)

2. Transcribes tRNA, 5s rRNA and snRNA

3. Transcribes precursor of mRNA

4. Transcribes only snRNAs

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Answer: 2. Transcribes tRNA, 5s rRNA and snRNA

In eukaryotes: RNA polymerase I transcribes 28S, 18S and 5.8S rRNA; RNA polymerase II transcribes the precursor of mRNA (hnRNA); RNA polymerase III transcribes tRNA, 5S rRNA and snRNAs. So option 2 is right.

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

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What is the role of RNA polymerase III in the process of transcription in eukaryotes ?

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