DNA Information for Protein Structures
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Questions and Answers

Who provided the first indication that DNA was the inheritance factor?

  • Erwin Chargaff
  • Griffith
  • Avery (correct)
  • Hershey and Chase
  • Which component of virulent bacteria was NOT destroyed by Avery?

  • Lipids
  • DNA (correct)
  • Carbohydrates
  • Proteins
  • What type of viruses infect bacteria and provide evidence that DNA is genetic material?

  • Retroviruses
  • Adenoviruses
  • Phages (correct)
  • Papillomaviruses
  • Which scientist was NOT involved in determining how the structure of DNA accounts for its role in inheritance?

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

    What component of nucleotides was known to be present in DNA in 1947?

    <p>All of the above</p> Signup and view all the answers

    What is the direction of the strands in the DNA double helix according to the Watson-Crick model?

    <p>Anti-parallel (5'-3' and 3'-5')</p> Signup and view all the answers

    How many base pairs are there per turn of the double helix in DNA according to the Watson-Crick model?

    <p>10</p> Signup and view all the answers

    What is the rate of elongation of new DNA strands in humans during replication?

    <p>50 nucleotides per second</p> Signup and view all the answers

    What is the enzyme responsible for joining the Okazaki fragments during DNA replication?

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

    Which type of nucleotide unit cannot be added to the growing chains during DNA replication?

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

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