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Home ‣ Biochemistry ‣ DNA Structure and Replication Comments
  • Question

  • Which polymerase is active in DNA repairing


  • Options
  • A. Polymerase I
  • B. Polymerase II
  • C. Polymerase III
  • D. none of these

  • Correct Answer
  • Polymerase II 

    • DNA Structure and Replication problems

    Search Results

    • 1. TM refers to the temperature at which

    • Options
    • A. membranes are 50% fluid
    • B. 50% of a DNA molecule is denatured
    • C. 50% of a protein molecules are denatured
    • D. all of the above
      • Discuss
    • 2. In DNA, nucleotides are covalently joined together by

    • Options
    • A. 3', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain
    • B. 2', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain
    • C. 2', 3' phosphodiester bonds to form a repetitive sugar-phosphate chain
    • D. 3', 4' phosphodiester bonds to form a repetitive sugar-phosphate chain
      • Discuss
    • 3. Without telomerase, what would happen to the ends of chromosomes after each round of replication?

    • Options
    • A. Chromosomes would become progressively shorter
    • B. Nothing would happen
    • C. Chromosomes would get longer
    • D. none of the above
      • Discuss
    • 4. Reverse transcriptase produces

    • Options
    • A. DNA from peptides
    • B. RNA from DNA
    • C. RNA from RNA
    • D. DNA from RNA
      • Discuss
    • 5. Deoxyribonucleoside triphosphates, being need in the chain termination methods are

    • Options
    • A. dATP
    • B. dGTP and dCTP
    • C. dTTP
    • D. all of these
      • Discuss
    • 6. Proteins which help to open the double helix for DNA synthesis are

    • Options
    • A. DNA helicases
    • B. single stranded binding proteins
    • C. ligase
    • D. DNA topoisomerase
      • Discuss
    • 7. The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

    • Options
    • A. Ori
    • B. a promoter
    • C. Pro
    • D. an initiation codon
      • Discuss
    • 8. What is the exact name of the classical Watson-Crick double helix DNA?

    • Options
    • A. A-DNA
    • B. B-DNA
    • C. Z-DNA
    • D. X-DNA
      • Discuss
    • 9. First evident that DNA is genetic material comes from the experiment of Griffith is

    • Options
    • A. transduction
    • B. transformation
    • C. replication
    • D. translation
      • Discuss
    • 10. Which of the following is not a structural motif in DNA binding proteins?

    • Options
    • A. bZIP
    • B. helix-turn-helix
    • C. TFIID
    • D. zinc finger
      • Discuss

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