In trying to determine whether DNA or protein was the genetic material,Hershey and Chase made use of which of the following facts about these two types of molecules?
A)DNA contains sulfur,whereas protein does not.
B)DNA contains phosphorus,whereas protein does not.
C)DNA contains nitrogen,whereas protein does not.
D)DNA contains purines,whereas protein includes pyrimidines.

Question

Quizplus · Accepted Answer

Hershey and Chase used the fact that DNA contains phosphorus, whereas protein does not. They labeled the DNA and protein of bacteriophages with different radioactive isotopes of sulfur and phosphorus, respectively, and found that only the DNA was transferred to the bacterial host, indicating that DNA was the genetic material.

In Trying to Determine Whether DNA or Protein Was the Genetic