An 8-year-old has scabs and fluid-filled vesicles on her face, throat and stomach. Three weeks earlier she had visited her grandmother who had shingles. What infection does the 8-year-old have

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.