Which sentence is written correctly? a. truly you must be kidding! b. no i can't go to the game, tonight. c. therefore she made only enough for us. d. also, we found the keys in the car.

In a series of experiments, hershey and chase radioactively labeled dna and protein in viruses and then used labeled viruses to infect bacteria. hershey and chase's experiments definitively showed that a. dna and not protein is the genetic material. b. dna and protein work together as a cell's genetic material. c. protein and not dna is the genetic material. d. neither dna nor protein act as a cell's genetic material