Which of the following is a true statement? a. a good descriptive essay maintains a third-person neutral voice. b. a good descriptive essay follows a very specific formulaic structure. c. a good descriptive essay includes the use of vivid imagery and figurative language. d. a good descriptive essay develops a particular point and backs it with factual evidence.

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