Hershey and Chase used radiolabeled T2 phages to identify which component of the phage entered E.coli during infection.Which of the following matches the radiolabel with the appropriate phage component? A) ³²P DNA, ³⁵S Protein B) ³²P Protein, ³⁵S RNA C) ³²P RNA, ³⁵S DNA D) ³²P Protein, ³⁵S DNA E) ³²P Protein,³⁵S Protein

Question

Quizplus · Accepted Answer

Hershey and Chase used radioactive phosphorus (³²P) to label the DNA of T2 phages because DNA contains phosphorus but no sulfur. This allowed them to track the DNA into the E. coli cells, demonstrating that DNA is the genetic material that is injected into the host cell during infection.

Hershey and Chase Used Radiolabeled T2 Phages to Identify Which