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Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

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.