logo

CuriousTab

CuriousTab

Discussion


Home Biochemistry DNA Structure and Replication Comments

  • Question
  • Who's X-ray work aided Watson and Crick in their discovery of the double helix?


  • Options
  • A. W.H. Bragg
  • B. R. Franklin
  • C. L. Pauling
  • D. Leaderberg

  • Correct Answer
  • R. Franklin 


  • DNA Structure and Replication problems


    Search Results


    • 1. DNA replication in eukaryotes occurs only in

    • Options
    • A. G1 phase
    • B. S phase
    • C. G2 phase
    • D. M phase
    • Discuss
    • 2. DNA with a G-C content of 50% will melt at approximately

    • Options
    • A. 60°C
    • B. 70 °C
    • C. 90 °C
    • D. 100 °C
    • Discuss
    • 3. DNA segments capable of moving from one place in the genome to another is known as

    • Options
    • A. transposons
    • B. retrovirus
    • C. introns
    • D. moving elements
    • Discuss
    • 4. For the DNA replication in eukaryotes, the cell cycle consists of

    • Options
    • A. G1, G2 and M phases
    • B. S, G2 and M phases
    • C. G1,S, G2 and M phases
    • D. G2 and M phases
    • Discuss
    • 5. Which will require a higher temperature to denature?

    • Options
    • A. DNA with a high G-C content
    • B. DNA with a high A-T content
    • C. RNA with a high G-C content
    • D. RNA with a high A-T content
    • Discuss
    • 6. The B-DNA structure found in solution is a

    • Options
    • A. left-handed double helix of antiparallel chains (10 bp/turn)
    • B. right-handed double helix of antiparallel chains (?10 bp/turn)
    • C. left-handed zig-zag helix of antiparallel chains (10 bp/turn)
    • D. right-handed double helix of parallel chains (?10 bp/turn)
    • Discuss
    • 7. During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

    • Options
    • A. high temperature and Ca++
    • B. low temperature and Ca++
    • C. high temperature and Mg++
    • D. low temperature and Mg++
    • Discuss
    • 8. In an agarose gel, DNA is moving from

    • Options
    • A. cathode to anode
    • B. left to right
    • C. anode to cathode
    • D. A to B
    • Discuss
    • 9. Which of the following in DNA replication and transcription are common?

    • Options
    • A. incorporation of deoxynucleotides
    • B. utilization the same enzyme
    • C. synthesis in the 5'-3' direction
    • D. none of the above
    • Discuss
    • 10. Which of the following does not occur during gluconeogenesis?

    • Options
    • A. The carboxylation of pyruvate to oxaloacetate
    • B. The conversion of pyruvate to phosphoenolpyruvate (PEP)
    • C. The decarboxylation of oxaloacetate to phosphoenolpyruvate
    • D. The conversion of PEP to fructose bisphosphate
    • Discuss


    Comments

    There are no comments.

Enter a new Comment