Biology 10 Quarter 3 Reviewer: Parts of DNA Replication
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Questions and Answers

Which is NOT a property of DNA replication?

  • Complementary base pairing
  • Semiconservative
  • Continuous (correct)
  • Antiparallel

    • What is the role of the enzyme 'helicase' in DNA replication?

  • It adds the new nucleotides to the growing DNA strand.
  • It catalyzes the formation of hydrogen bonds between the complementary bases.
  • It splits the nitrogenous bases of the DNA strands.
  • It creates the replication fork. (correct)

    • Which of the following is NOT a component of a nucleotide?

  • Amino acid (correct)
  • Deoxyribose
  • Phosphate group
  • Nitrogenous base

    • What is the number of hydrogen bonds formed between a guanine (G) and a cytosine (C) base pair?

    <p>3</p> Signup and view all the answers

    Which of the following is NOT a step in DNA replication?

    <p>Transcription of the DNA</p> Signup and view all the answers

    Which of the following is a characteristic of the DNA replication process?

    <p>It is a semi-conservative process</p> Signup and view all the answers

    Which nitrogenous base pairs with Cytosine in DNA replication?

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

    What is the function of the enzyme 'primase' in DNA replication?

    <p>Creates a primer for new DNA strands</p> Signup and view all the answers

    In which direction does the polymerase enzyme add bases during DNA replication?

    <p>5' to 3'</p> Signup and view all the answers

    What happens before messenger RNA can be used as a template for protein synthesis?

    <p>Removal of RNA primers by exonuclease</p> Signup and view all the answers

    Which enzyme seals DNA strands after the removal of RNA primers?

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

    What holds the two strands of DNA together in the double helix structure?

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

    Which of the following statements about the male reproductive system is INCORRECT?

    <p>The prostate gland produces the hormone testosterone.</p> Signup and view all the answers

    In the process of DNA replication, which of the following is NOT a property?

    <p>It requires the action of reverse transcriptase.</p> Signup and view all the answers

    During protein synthesis, which step involves finding the corresponding base that matches the mRNA code?

    <p>Getting the tRNA codes</p> Signup and view all the answers

    Which of the following hormones is primarily responsible for regulating the menstrual cycle?

    <p>Luteinizing hormone (LH)</p> Signup and view all the answers

    Which of the following is NOT a function of the somatic nervous system?

    <p>Regulating involuntary body functions</p> Signup and view all the answers

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