what causes the protein to loose its radioactivity in hershey and chase experiment

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Solution

Dear student,
Protein in bacteriophage was labelled with S³⁵while DNA was labelled with P³². While infecting bacteria in hershey and chase experiment DNA entered the bacterial cell therefore radioactive labelled DNA was recovered but since protein did not enter bacterial cell therefore radioactivity in protein was lost. Actually radioactivity in protein was recovered in supernatant. Therefore radioactivity in bacterial cell was recovered due to DNA labelled with P³².

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