What should you do if your temperature gauge moves up to just below the red zone?
a. turn off your air conditioner
b. turn on your vehicle's heater
c. immediately seek out a service station with a mechanic
d. all of the above

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