What did Avery, MacLeod, and McCarty conclude from their experiment on the transforming principle?

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Proteins are the hereditary material responsible for transformation.

RNA is the key molecule involved in the transformation of R bacteria into S bacteria.

DNA from S bacteria was responsible for transforming R bacteria into S bacteria.

All biochemicals equally contribute to the transformation process.

answer is C.

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Detailed Solution

Avery, MacLeod, and McCarty purified biochemicals (proteins, DNA, RNA, etc.) from the heat-killed S cells to see which ones could transform live R cells into S cells. They discovered that DNA alone from S bacteria caused R bacteria to become transformed.

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