Which scientists worked to determine the biochemical nature of âtransforming principleâ of Griffith's experiment?
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a
Temin and Baltimore
b
Meselson and Stahl
c
Avery, McLeod and MacCarty
d
Bateson
answer is C.
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Detailed Solution
Avery, McLeod and MacCarty worked to determine the biochemical nature of âtransforming principleâ in Griffith's experiment. They discovered that protein-digesting enzymes (proteases) and RNA-digesting enzymes (RNases) did not affect transformation, so the transforming substance was not a protein or RNA. Digestion with DNase did inhibit transformation, suggesting that the DNA caused the transformation. They concluded that DNA is the hereditary material, but not all biologists were convinced.