What is momentum of a 1425 kg corvette stopped at the red light? a. 0 kg m/s b. -1425 kg m/s c. 1425 kg m/s d. none of the above

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.