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Question
Avery, MacLeod and McCarty observed that in the experimental tubes to which RNAse and proteinase were added, transformation could happen. This indicated that
Avery, MacLeod and McCarty observed that in the experimental tubes to which RNAse and proteinase were added, transformation could happen. This indicated that
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Solution
The correct option is C Neither RNA nor protein could be the transforming principle
Among the three sets of experimental tubes that Avery, MacLeod and McCarty used, those to which RNAse and proteinase were added, still retained the ability to transform R strain to live S strain. It was only in the tubes to which DNAse was added, that transformation could not happen. According to the statement in this question, it is obvious that neither RNA nor protein could be the transforming principle.
Among the three sets of experimental tubes that Avery, MacLeod and McCarty used, those to which RNAse and proteinase were added, still retained the ability to transform R strain to live S strain. It was only in the tubes to which DNAse was added, that transformation could not happen. According to the statement in this question, it is obvious that neither RNA nor protein could be the transforming principle.
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