I just need number one I need to fill in the blanks

Someone me with this: a mineral' is determined by its actomic structure.

This is a biological reaction due to a stimulus. i need this quickly !

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.