Use the data to answer the question . which statement best describes the data ? a. they are accurate and reproducible b. they are accurate but not reproducible c. they are precise and reproducible d. they are precise but not reproducible

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? 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.