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  • d).Live ||R + dead cells Living type ||R and heat killed type |||S bacteria were injected into a mouse .After several days mouse died. Type |||S bacteria were isolated from the dead mouse .
  • Griffith termed the material as transforming principle. Thus Avery, McCarty ,and MacLeod performed a series of experiment that demonstrated the hereditary materials was DNA.
  • Thus, Griffith concluded that the type ||R had been transformed into a lethal |||S strain by a transforming principle that was somehow part of the dead |||S strain bacteria .
  • As a result, he concluded that genes are made of DNA rather than protein
  • Thankyou for giving us this wonderful opportunity ,
  • thankyou.
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