An experiment was performed that demonstrated that RNAase fails to prevent transformation of the R strain to S strain. This finding

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Hypothesis II suggests that DNA is the transforming substance. The fact that RNAase (an enzyme that degrades RNA) fails to prevent transformation suggests that RNA is not the transforming substance, which contradicts Hypothesis III. Thus, we can reject Hypothesis III but cannot determine the validity of Hypothesis I. The finding supports Hypothesis II.

An Experiment Was Performed That Demonstrated That RNAase Fails to Prevent