In this assignment, you will use your knowledge to contrast viruses and cells. you will also describe the lytic and lysogenic cycles used by viruses to reproduce. contrast the structures of a virus and cell.

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.