Why does Miep choose to leave the building? She has devised an alternate plan.
She is disgusted by the filthy facility.
She recognizes the futility of her effort.
She is concerned about returning to work.

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