Which is a result of a seasonal change (meaning a change that happens over and over at a certain time of year)? a. fish moving away from a polluted area of a stream b. raccoons fleeing a forest fire c. grass growing quickly after a rainstorm d. bears hibernating in a cave during cold periods

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.