Hershey and Chase experimented with the radioactively-labelled phosphorus and sulphur to find out that DNA, not protein, is genetic material. Which of the following was necessary to this confirming experiment?
A) Sulphur is present in amino acids in protein coat of phage.
B) Phosphorus is present in high amounts in the DNA.
C) Sulphur isn’t present in the 1DNA.
D) Phosphorus isn’t present in amino acids in protein coat of phage.
E) All of above were critical to demonstrating that DNA is genetic material.