Cells can be fractionated into different chemical components. Both Griffith and Avery found cellular fractions that could transform non-disease causing bacteria into disease causing bacteria. In each case, the transforming fraction contained predominantly which of the following molecules?

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Cells can be fractionated into different chemical components. Both Griffith and Avery found cellular fractions that could transform non-disease causing bacteria into disease causing bacteria. In each case, the transforming fraction contained predominantly which of the following molecules?