If the transforming principle is transferred to the $R$-strain,what characteristics will the $R$-strain acquire?
$(i)$ Formation of a smooth polysaccharide coat
$(ii)$ Becomes non-virulent
$(iii)$ Becomes virulent
$(iv)$ Does not form a smooth polysaccharide coat

  • A
    $(ii)$ and $(iv)$
  • B
    $(iii)$ and $(iv)$
  • C
    $(i)$ and $(iii)$
  • D
    $(i)$ and $(ii)$

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