what should a model of the rock show as the process that changes sedimentary rock to metamorphic rock

Which codon is the code for the amino acid histidine (his)?

Which element is found in both dna and proteins

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.