Home Biology Molecular Basis of Inheritance Previous Year Questions What is the role of RNA polymerase III in th…
Biology Molecular Basis of Inheritance Previous Year Questions Single Correct MCQ
Published on: August 21, 2026

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

A
Transcription of only snRNAS
B
Transcription of rRNAs ( and 5.8S)
C
Transcription of tRNA, 5 srRNA and snRNA
D
Transcription of precursor of mRNA

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The correct answer is:
C

In eukaryotes, The RNA polymerase I transcribes rRNAs ( , and 5.8 S ), whereas the RNA polymerase III is responsible for transcription of tRNA, 5 srRNA, and snRNAs (small nuclear RNAs). The RNA polymerase II transcribes precursor of mRNA, the heterogeneous nuclear RNA (hnRNA).

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