Which two structures certain fish maintain their position in the water? gills and swim bladder fins and swim bladder fins and gills gills and lateral line

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.

How and why organisms are hierarchically classifies

Explain how the concentration gradient affects the process of atp synthesis