Pre-rRNA Processing and Synthesis Quiz
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Questions and Answers

What is the function of RNA polymerase I in pre-rRNA processing?

  • Synthesizing pre-rRNA (correct)
  • Cleaving pre-rRNA
  • Trimming pre-rRNA
  • Synthesizing hnRNA

    • Which organelle is responsible for pre-rRNA processing?

  • Golgi apparatus
  • Mitochondria
  • Endoplasmic reticulum
  • Nucleus (correct)

    • What is the role of small nucleolar RNAs (snoRNA) in pre-rRNA processing?

  • Cleaving pre-rRNA
  • Synthesizing pre-rRNA
  • Trimming pre-rRNA
  • Carrying out base and sugar modifications (correct)

    • What is the primary RNA transcript synthesized by RNA polymerase II?

    <p>hnRNA</p> Signup and view all the answers

    What is the purpose of 5' capping in hnRNA processing?

    <p>To protect the RNA from degradation</p> Signup and view all the answers

    What is the purpose of splicing in hnRNA processing?

    <p>To remove introns</p> Signup and view all the answers

    What are the three rRNAs generated from pre-rRNA processing?

    <p>28S, 18S, and 5.8S</p> Signup and view all the answers

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