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NEET 2023, Biology Q23: Transcription and Translation

NEET2023Biology
Q.

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

  1. A

    Transcription of rRNAs (S, S and S)

  2. B

    Transcription of tRNA, S rRNA and snRNA

  3. C

    Transcription of precursor of mRNA

  4. D

    Transcription of only snRNAs

Solution

Eukaryotes use three RNA polymerases. Pol I makes the large pre-rRNA (S, S, S). Pol II makes hnRNA (pre-mRNA) and most snRNAs. Pol III is dedicated to tRNAs, S rRNA and other small RNAs such as scRNA and certain snRNAs.

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