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Home Biotechnology Cloning Vectors See What Others Are Saying!
  • Question
  • Maximum size of foreign DNA that can be inserted into a replacement vector is


  • Options
  • A. 25-30 kb
  • B. 18-20 kb
  • C. 20-25 kb
  • D. 40-50 kb

  • Correct Answer
  • 20-25 kb 


  • More questions

    • 1. At acidic pH, penicillin remains in

    • Options
    • A. aqueous phase
    • B. solvent phase
    • C. both (a) and (b)
    • D. precipitates
    • Discuss
    • 2. Human growth hormone (hGH) is secreted by

    • Options
    • A. pitutary gland
    • B. hypothalamus
    • C. pancreas
    • D. none of these
    • Discuss
    • 3. Microarrays are also known as

    • Options
    • A. biochips
    • B. DNA chips
    • C. gene chips
    • D. all of these
    • Discuss
    • 4. For the recovery of citric acid after fermentation, Ca(OH)2 is added to the slurry to

    • Options
    • A. precipitate calcium carbonate
    • B. precipitate calcium citrate
    • C. precipitate calcium phosphate
    • D. precipitate calcium sulphate
    • Discuss
    • 5. Mycorrhizae are symbiotic associations between

    • Options
    • A. algae and fungi
    • B. root and fungi
    • C. bacteria and root
    • D. bacteria and fungi
    • Discuss
    • 6. Cos cell line is

    • Options
    • A. cohesive end site of phage ?
    • B. derivative of permissive CV-1 monkey cell line
    • C. cohesive initial site of phage ?
    • D. derivative of non-permissive CV-1 monkey cell line
    • Discuss
    • 7. Which of the following is the class of hybridization?

    • Options
    • A. Intervarietal
    • B. Interspecific
    • C. Intergeneric
    • D. all of these
    • Discuss
    • 8. The term, not related to mitosis is

    • Options
    • A. gametes
    • B. chromosomes
    • C. DNA replication
    • D. somatic cells
    • Discuss
    • 9. Transgenic goats have been used to produce which of the following protein that is used for dissolving blood clots?

    • Options
    • A. Amyloid precursor protein
    • B. ?1-anti trypsin (AAT)
    • C. Casein
    • D. A variant of human tissue-type plasminogen activator
    • Discuss
    • 10. What temperature is maintained during anaerobic fermentation of white wine?

    • Options
    • A. 10-21 °C
    • B. 21-30 °C
    • C. 30-35 °C
    • D. 15-25 °C
    • Discuss


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