Which of the following is responsible for transforming the R strain into the S strain?(a) Purified bio-chemicals from S-strain(b) Purified bio-chemicals from R-strain(c) Purified bio-chemicals from heat killed S-strain(d) Purified bio-chemicals from heat killed R-strainI had been asked this question during an interview.Origin of the question is The Search for Genetic Material topic in chapter Molecular Basis of Inheritance of Biology – Class 12

Which of the following is responsible for transforming the R strain in

1.	Which of the following is responsible for transforming the R strain into the S strain?(a) Purified bio-chemicals from S-strain(b) Purified bio-chemicals from R-strain(c) Purified bio-chemicals from heat killed S-strain(d) Purified bio-chemicals from heat killed R-strainI had been asked this question during an interview.Origin of the question is The Search for Genetic Material topic in chapter Molecular Basis of Inheritance of Biology – Class 12
Answer» Correct answer is (c) PURIFIED bio-chemicals from heat killed S-strain To elaborate: S-strains are the virulent ones which have the ability to KILL a mouse when injected into it. But, when the heat killed S-strain is injected into the mouse along with the R-strain, the mouse happens to die DUE to transformation. The purified bio-chemicals (protein, DNA and RNA) from the heat killed S-strain, transforms the R-strain into the S-strain (virulent).

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