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Home Biotechnology Vectors Uses for Animal Cell Culture Comments

  • Question
  • α-aminoadipate inhibits the growth if one of the following marker is present in the yeast. That is


  • Options
  • A. His 3
  • B. Lys 2
  • C. Ura 3
  • D. Trp 1

  • Correct Answer
  • Lys 2 


  • Vectors Uses for Animal Cell Culture problems


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    • 1. Cloning genes in the yeast offer which of following advantage(s)?

    • Options
    • A. Over production of proteins of commercial value
    • B. Ability to glycosylate proteins during secretion
    • C. Ability to clone large piece of DNA
    • D. All of the above
    • Discuss
    • 2. Moloney-Mu-leukemia virus is an example of

    • Options
    • A. Vaccinia virus
    • B. Baculo virus
    • C. Retro virus
    • D. none of these
    • Discuss
    • 3. Which of the following viruses are used as vectors for transferring genes to animal cells?

    • Options
    • A. SV 40 virus
    • B. Bovine papilloma virus (BVP)
    • C. Retroviruses
    • D. All of these
    • Discuss
    • 4. Bovine papilloma virus has a circular double stranded DNA genome of about

    • Options
    • A. 2.5 kb
    • B. 5.2 kb
    • C. 7.9 kb
    • D. 9.5 kb
    • Discuss
    • 5. In case of Baculoviruses, the foreign gene

    • Options
    • A. is inserted downstream of polyhedrin promoter
    • B. is inserted downstream of viral origin of replication
    • C. is inserted between the polyhedrin promoter and downstream sequences
    • D. is inserted randomly in viral genome
    • Discuss
    • 6. 5-fluoro orotic acid inhibits the growth if one of the following marker is present in the yeast. That is

    • Options
    • A. His 3
    • B. Lys 2
    • C. Ura 3
    • D. Trp 1
    • Discuss
    • 7. Preliminary clinical results with a humanized antibody against the interleukin-2 receptor have suggested the

    • Options
    • A. absence of human immune response against murine proteins (HAMA) response
    • B. presence of HAMA response
    • C. poor recognition of immunoglobulin, Ig constant regions
    • D. all of the above
    • Discuss
    • 8. Which of the following is incorrect?

    • Options
    • A. MAbs can be used to diagnose or treat diseases
    • B. MAbs can be used in tumor scanning
    • C. MAbs canbe used in cancer diagnosis
    • D. MAbs can not be used in such non-infectious diseases as those of endocrine system
    • Discuss
    • 9. Helper T cells assist in the functions of

    • Options
    • A. certain B cells
    • B. certain T cells
    • C. certain B cells and other T cells
    • D. none of the above
    • Discuss
    • 10. The primary B cell receptor is

    • Options
    • A. IgD
    • B. IgG
    • C. IgA
    • D. IgE
    • Discuss


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