How much do you know about RNA?
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Questions and Answers

What is the primary difference between RNA and DNA?

  • RNA contains uracil instead of thymine (correct)
  • RNA exists as single strands
  • RNA is considerably smaller than DNA
  • RNA contains ribose instead of deoxyribose

    • What are the four rRNA species?

  • 28S, 18S, 5.8S, and 4S
  • 29S, 18S, 5.8S, and 5S
  • 28S, 18S, 5.8S, and 5S (correct)
  • 28S, 18S, 6S, and 5S

    • What unit is used to measure the size and shape of compounds?

  • Coulomb unit
  • Dalton unit
  • Molar unit
  • Svedberg unit (correct)

    • What percentage of total RNA in the cell is made up of rRNA?

    <p>About 80%</p> Signup and view all the answers

    What type of bonds join nucleotide polymers in RNA?

    <p>Phosphodiester bonds</p> Signup and view all the answers

    What sugar is present in RNA instead of deoxyribose?

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

    What nitrogenous base is present in RNA instead of thymine?

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

    What is the function of rRNA?

    <p>Interacts with ribosomal proteins</p> Signup and view all the answers

    What is the molecular weight and shape of a compound related to?

    <p>Svedberg unit</p> Signup and view all the answers

    What is the primary structure of RNA?

    <p>Nucleotide polymer joined by phosphodiester bonds</p> Signup and view all the answers

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