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How did Hershey and Chase differentiate ...

How did Hershey and Chase differentiate between DNA and protein in their experiment while proving that DNA is the genetic material?

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Hershey and Chase (1952) worked on viruses which infect bacteria called bacteriophages. They concluded with their experiment that bacteria which were infected with viruses that had radioactive DNA were found to be radioactive.It gave the idea that DNA acted as herediatary material which was transmitted from bacteriophage to bacteria. Bacteria which were infected with bacteriophage (viruses) that has radioactive. It indicates that are not transmitted to bacteria.
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