How has the fence guarding changed over the last five years?

Which of the following sentences refers to a conflict between characters in "two kinds"?

In marian anderson sings the author begins the story by putting the reader right in the middle of the action what is the yearn for this type of organization

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