What are disadvantages of having thorns?

You see a white marker with an orange circle and black lettering. what does this marker tell you

Which of the following graphs have the same wavelengths

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.