Flatworms are similar to cnidarians in that both flatworms are similar to cnidarians in that both are chordates exhibit bilateral symmetry have true tissues lack a gastrovascular cavity

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.