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STD 12 - 9. biotechnology principlas and process — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
Plasmid of which bacterium was first time used in recombinant $DNA$ technology?
  • A
    E.coli
  • ✓
    Salmonella typhimurium
  • C
    Haemophilus influenzae
  • D
    Streptococcus pneumoniae
✓

Answer

Correct option: B.
Salmonella typhimurium
b
Plasmid is the extrachromosomal DNA that is able to replicate by itself. The plasmid derived from Salmonella typhimurium was used to develop the first recombinant DNA molecule.

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