1. Read information about the West Nile virus and its effect on the bird population in the state you live in. If your state has not been affected yet, choose another state that has. In your state, how many birds have tested positive for West Nile virus? Estimate what percentage of the total resident bird population this number represents

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.