Which of the following is an example of succession? A. a pond changing into a meadow
B. spring changing into summer
C. a tadpole changing into a frog
D. day changing into night

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.