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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
Oswald T. Avery, Colin M. MacLeod and Maclyn McCarty demonstrated that ………………..
  • A
    transformation of live S-strain bacteria into R-strain type was because of DNA of bacteria of S-strain.
  • B
    the transforming substance was either a protein or RNA.
  • C
    only DNA was able to transform harmless R-strain into virulent S-strain.
  • D
    when DNA isolated from S-strain bacteria, was digested with DNase, the transformation occurred.
✓

Answer

only DNA was able to transform harmless R-strain into virulent S-strain

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