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What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Classify the structures as homologous or analogous, depending on their structure and function.

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.