The thought of the confined creature was so dreadful to him that he forgot the heat and went forward to the cylinder to turn. but luckily the dull radiation arrested him before he could burn his hands on the still-glowing metal. a. shocked b. confused c. killed d. stopped

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