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Home Biochemistry Recombinant DNA Technology Comments

  • Question
  • The TP53 gene of chromosome 17 codes for a protein __________ .


  • Options
  • A. that plays a role in the digestive process
  • B. involved in glucose transport
  • C. involved in the regulation of the cell cycle
  • D. that is like a white blood cell protein

  • Correct Answer
  • involved in the regulation of the cell cycle 


  • Recombinant DNA Technology problems


    Search Results


    • 1. Which of these genes codes for a protein that plays a role in white blood cell function?

    • Options
    • A. DCP1
    • B. MPO
    • C. GLUT4
    • D. RP13
    • Discuss
    • 2. Which of the following amino acids can interact with the DNA or RNA nucleotide bases via hydrogen bonding?

    • Options
    • A. Asn and Gln
    • B. Cys and Met
    • C. Lys and Leu
    • D. Ile and Val
    • Discuss
    • 3. Different DNA polymerases play distinct roles in DNA replication and repair in both prokaryotic and eukaryotic cells. All known DNA polymerases synthesize DNA only in the __________ by the addition of dNTPs to a performed primer strand of DNA.

    • Options
    • A. positive direction
    • B. 3' to 5' direction
    • C. 5' to 3' direction
    • D. negative direction
    • Discuss
    • 4. The enzyme that joins DNA cuts is called

    • Options
    • A. joinase
    • B. ligase
    • C. DNA phosphorylase
    • D. reverse transcriptase
    • Discuss
    • 5. The type II restriction endonucleases, bind to DNA sites

    • Options
    • A. using H-bonds for specificity
    • B. that are usually palindromic
    • C. using non-sequence-dependent backbone interactions
    • D. all of the above
    • Discuss
    • 6. An example of a restriction fragment length polymorphism is

    • Options
    • A. an Eco RI cuts DNA at a different sequence than Hind III
    • B. different length fragments of DNA resulting from loss or gain of a restriction site
    • C. cystic fibrosis results from a three base deletion in most cases but in other cases, other mutations are involved
    • D. all of the above
    • Discuss
    • 7. An expression vector

    • Options
    • A. always contains an origin of replication
    • B. usually contains a gene that confers antibiotic resistance to the bacterial host
    • C. always contains DNA segments for the regulation of mRNA production
    • D. all of the above
    • Discuss
    • 8. Which of the following is correct in terms of determination of location of genetic traits?

    • Options
    • A. Known protein coding sequences are too far apart to allow linkage determination for most new genes
    • B. Restriction sites allow DNAs to be digested
    • C. Protein-coding genes are always associated with a restriction pattern
    • D. None of the above
    • Discuss
    • 9. Plant transformation can be obtained by

    • Options
    • A. combining plant and animal cells in culture
    • B. shooting DNA into plant cells with a gun
    • C. using the E. coli bacterium to infect plant roots
    • D. infecting plants with a tobacco mosaic virus
    • Discuss
    • 10. In order to insert a foreign gene into a plasmid, both must __________

    • Options
    • A. have identical DNA sequences
    • B. originate from the same type of cell
    • C. be cut by the same restriction enzyme
    • D. be of the same length
    • Discuss


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