MCAT Question of the Day


  • Q:

    Which of the following is true regarding using dideoxynucleotides (ddNTPs) for DNA sequencing?

     

    A

    Restriction enzymes cut the target DNA into fragments, which are then separated and visualized with electrophoresis

    B

    The template strand is tagged with a radioactive isotope

    C

    ddATPs, ddCTPs, ddGTPs, and ddTTPs must be utilized in a separate environment from the dATPs, dCTPs, dGTPs, and dTTPs

    D

    A ddTTP can randomly and occasionally terminate the synthesis of DNA where an adenine occurs in the template strands



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