DNA Structure and Gene Expression Quiz
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Questions and Answers

What is the basic unit of DNA structure?

  • Amino acid
  • Carbohydrate
  • Nucleotide (correct)
  • Lipid

    • Which enzyme is responsible for unwinding the DNA double helix during replication?

  • Helicase (correct)
  • Topoisomerase
  • Primase
  • Ligase

    • What is the role of RNA polymerase in gene expression?

  • It synthesizes RNA from a DNA template (correct)
  • It repairs damaged DNA
  • It translates RNA into protein
  • It forms the ribosome structure

    • What is the molecule responsible for carrying genetic information from DNA to the ribosome for protein synthesis?

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

    Which enzyme is responsible for adding nucleotides to the growing DNA chain during replication?

    <p>DNA polymerase III</p> Signup and view all the answers

    What is the structure that holds the two strands of DNA together?

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

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