What is the other-feeders and self-feeders for euglenas?

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What two fields of study provide the core information that is used to classify organisms?

What is a cordon and where is it found

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.