Question

Why radioactive phosphorus and radioactive sulphur was used in hershey and chase experiment?

Answer 1

Radioactive sulfur-35 was used to label the protein sections of the T2 phage, because sulfur is contained in protein but not DNA. ... Thus, theHershey–Chase experiment helped confirm that DNA, not protein, is the genetic material.

Answer 2

phosphorus is contained in DNA but not amino acids, radioactive phosphorus-32 was used to label the DNA contained in the T2 phage. Radioactive sulfur-35 was used to label the protein sections of the T2 phage, because sulfur is contained in protein but not DNA. ... These bacteria were lysed to release phage progeny.