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Home Biotechnology Cloning Vectors See What Others Are Saying!
  • Question
  • A plasmid can be considered as a suitable cloning vector if


  • Options
  • A. it can be readily isolated from the cells
  • B. it possesses a single restriction site for one or more restriction enzymes
  • C. insertion of foreign DNA does not alter its replication properties
  • D. All of the above

  • Correct Answer
  • All of the above 


  • More questions

    • 1. During the growth of animal cells in culture, it is noticed that the cells do not look very healthy. After an investigation, this is found that there is a lot of lactic acid in the culture fluid. What is probably wrong with this culture?

    • Options
    • A. Ethyl alcohol is being produced in excess
    • B. The cells have too much oxygen
    • C. Glycolysis is being inhibited
    • D. The cells do not have enough oxygen
    • Discuss
    • 2. Insect resistance in the transgenic plant has been achieved by

    • Options
    • A. transferring genes for Bt toxins
    • B. transferring genes for protease inhibitors
    • C. transferring genes for other insecticidal secondary metabolities
    • D. all of the above
    • Discuss
    • 3. Charon 34 and Charon 35 can clone DNA upto

    • Options
    • A. 1-2 kb
    • B. 6-7 kb
    • C. 9-20 kb
    • D. 30-35 kb
    • Discuss
    • 4. Chlorotetracyclin is soluble in

    • Options
    • A. organic solvents
    • B. water
    • C. ether
    • D. all of these
    • Discuss
    • 5. The Ig locus is about

    • Options
    • A. 2/3rd of all hybridomas
    • B. l/3rd of all hybridomas
    • C. l/2nd of all hybridomas
    • D. 1/4th of all hybridomas
    • Discuss
    • 6. Some cross reactions with monoclonal antibodies (MAbs) can occur. Unexpected cross reactions occur more frequently with

    • Options
    • A. Ig MAbs
    • B. IgG
    • C. IgA
    • D. IgE
    • Discuss
    • 7. T cells are the source of

    • Options
    • A. interleukin
    • B. interferon
    • C. lymphotoxin
    • D. all of these
    • Discuss
    • 8. Plasmid incompatibility is

    • Options
    • A. inability of a plasmid to grow in the host
    • B. inability of two different plasmids to coexist in the same host cell in the absence of selection pressure.
    • C. both (a) and (b)
    • D. none of the above
    • Discuss
    • 9. Water content of active protoplasm is

    • Options
    • A. 10%
    • B. 40%
    • C. 70%
    • D. 90%
    • Discuss
    • 10. The crushed grapes are known as

    • Options
    • A. malt
    • B. must
    • C. wort
    • D. sonti
    • Discuss


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