Mastering Messenger RNA (mRNA)
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Questions and Answers

What is the size range of mRNA?

  • Large
  • Medium
  • Heterogeneous (correct)
  • Small

    • What percentage of total cellular RNA does mRNA comprise?

  • 1-2%
  • 9-11%
  • 6-8%
  • 3-5% (correct)

    • What is the function of mRNA?

  • Regulates gene expression
  • Transports amino acids
  • Catalyzes chemical reactions
  • Codes for proteins (correct)

    • What is the structural characteristic of mRNA at its 5'- and 3'- ends?

    <p>Untranslated regions (UTR)</p> Signup and view all the answers

    What is the purpose of the 5' cap on mRNA?

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

    What is the purpose of the poly A tail on mRNA?

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

    Is eukaryotic mRNA monocistronic or polycistronic?

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

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