Hershey-Chase experiment: Bacteriophages phosphorus labeled Dna ( green) sulfur labeled protein capsule(red) 1. Infection cell cell 2. Blending 2)3. Centrifugation After centrifugation no After centrifugation sulfur in cells phosphorus in cells What we already know? Confirm that DNA is the genetic materialHershey–Chase experiment： What we already know？ Confirm that DNA is the genetic material