Nucleic acid are unique among biopolymers in that they contain phosphate. How this property been exploited experimentally studies of protein Sythesis?
The use of 32P (radioactive) to label DNA and RNA for Southern and northern blotting was a major technical advance. One of the earliest exploitations of the unique phosphorus content of nucleic acids was the Waring-blender experiment (first performed by Alfred Hershey and Martha Chase). This groundbreaking experiment proved that DNA (and not protein) was responsible for genetic information flow
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