After allowing phages grown with bacteria in a medium that contained 32P and 35S, Hershey and Chase used a centrifuge to separate the phage ghosts from the infected cell. They then examined the infected cells and found that they contained _____, which demonstrated that _____ is the phage's genetic material.a) labeled DNA .... proteinb) labeled DNA ... labeled proteinc) labeled DNA ... DNAd) labeled protein .... proteine) labeled protein ... DNA
