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Home Biotechnology Monoclonal Antibodies See What Others Are Saying!
  • Question
  • The antigen-specific lymphocytes can be immortalized by which of the following method?


  • Options
  • A. Transfection with tumor derived DNA
  • B. Hybridization with a suitable lymphoid tumor cell
  • C. Transformation following infection by Epstein-Barr virus (EB V)
  • D. All of the above

  • Correct Answer
  • All of the above 


  • More questions

    • 1. A plasmid used to introduce BT toxin into a plant cell

    • Options
    • A. carries an antibiotic resistance gene that makes the plant resistant to antibiotics
    • B. causes the plant to produce opines
    • C. is toxic for the plant cell
    • D. carries a bacterial gene with a plant promoter
    • Discuss
    • 2. Tomatoes exhibiting delayed ripening express antisense RNA against

    • Options
    • A. glycerol 1 phosphate acyl transferase
    • B. polygalactouranase
    • C. ACC deaminase
    • D. sucrose phosphate synthase gene
    • Discuss
    • 3. The cellular organelle associated with secretion is the

    • Options
    • A. golgi complex
    • B. mitochondrion
    • C. ribosome
    • D. lysosome
    • Discuss
    • 4. Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?

    • Options
    • A. Impeller
    • B. Baffles
    • C. Sparger
    • D. All of these
    • Discuss
    • 5. Accumulation of lactate leads to

    • Options
    • A. increase in pH
    • B. no change in pH
    • C. reduction in the pH of culture hence loss of cell viability
    • D. no loss of cell viability
    • Discuss
    • 6. Cider vinegar is produced from

    • Options
    • A. fruit juices
    • B. malted grain
    • C. ethanol
    • D. ale
    • Discuss
    • 7. How many chromatids are there in a duplicated chromosome?

    • Options
    • A. One
    • B. Two
    • C. Three
    • D. Four
    • Discuss
    • 8. Which of the following would not be found in a prokaryotic cell?

    • Options
    • A. organelles
    • B. DNA
    • C. nucleoid
    • D. nucleus
    • Discuss
    • 9. Range of optimum glucose concentration present in the culture media is

    • Options
    • A. 5.5 - 55 mmol/litre
    • B. 55 - 75 mmol/litre
    • C. 75-105 mmol/litre
    • D. 105-150 mmol/litre
    • Discuss
    • 10. After the fermentation is over, ethanol is recovered by

    • Options
    • A. centrifugation
    • B. distillation
    • C. filtration
    • D. cell disintegration
    • Discuss


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