1) The diagram below shows two waves traveling in the same medium for the same
length of time.
The two waves have different
a) amplitudes b) frequencies
c) speeds
d) wavelengths

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.