How often do you eat genetically modified foods? check each food you have eaten in the last week that was not organic. check all that apply. processed cereal soda fast food / frozen french fries frozen pizza packaged deli meat bread fruit from a grocery store

The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.