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Genetics and DNA Function Quiz
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Genetics and DNA Function Quiz

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Questions and Answers

What is the main function of DNA replication?

  • To make a copy of itself during cell division (correct)
  • To produce energy for the cell
  • To synthesize proteins
  • To repair damaged DNA

    • During DNA replication, what is the function of the leading strand?

  • Serving as the template for RNA synthesis
  • Breaking down the old DNA strands
  • Synthesizing new DNA in the opposite direction of replication fork
  • Synthesizing new DNA in the same direction as replication fork (correct)

    • What is a replication fork in DNA replication?

  • A protein responsible for repairing DNA damage
  • An enzyme that aids in replication
  • A type of RNA molecule involved in transcription
  • A Y-shaped structure formed during DNA replication (correct)

    • What does semiconservative mean in the context of DNA replication?

    <p>One strand of the double helix is conserved while the other is fully replicated</p> Signup and view all the answers

    Which enzyme is NOT involved in DNA replication?

    <p>RNA polymerase</p> Signup and view all the answers

    What happens to the lagging strand during DNA replication?

    <p>It synthesizes new DNA in the opposite direction of the replication fork</p> Signup and view all the answers

    During which stage in the cell cycle does DNA replication occur?

    <p>S Phase</p> Signup and view all the answers

    What is the function of centrosomes during DNA replication?

    <p>Organize cell division</p> Signup and view all the answers

    Which term describes the process of forming identical pairs of DNA molecules during the S Phase?

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

    What is the main outcome of the G2 Phase of the cell cycle?

    <p>Energy replenishment</p> Signup and view all the answers

    Which statement accurately describes mitosis?

    <p>Involves the division of somatic cells</p> Signup and view all the answers

    What happens during Prophase in mitosis?

    <p>Nuclear envelope dissociates</p> Signup and view all the answers

    During DNA replication, what is the function of DNA polymerase?

    <p>Add free DNA nucleotides using complementary base pairing</p> Signup and view all the answers

    Which enzyme is primarily responsible for unzipping the DNA helix during replication?

    <p>DNA helicase</p> Signup and view all the answers

    What is the role of RNA in protein synthesis?

    <p>Facilitating translation of DNA to proteins</p> Signup and view all the answers

    Which type of RNA serves as a messenger in conveying instructions between DNA and ribosomes?

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

    What type of bond is broken to separate the two strands of DNA during replication?

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

    Which sugar is present in RNA but not in DNA?

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

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