Design an experiment to test the effects of a new dog food, “Puppy
Power”, on the thickness and water-shedding properties of the coats
golden retriever puppies. Include all the parts of a scientific experiment.
Design objective methods to assess coat thickness and water-shedding ability.

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.