Cells are the functional units that make up tissues. tissues then become the functional units that make up what

In what for do plants utilize nitrogen? why do they need nitrogen?

Which example would the nurse consider to be a part of systems thinking theory?

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.