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boyakko [2]
3 years ago
5

"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.
Biology
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

<h2>B.</h2>

Explanation:

It was necessary that each of the two phage components, DNA and protein also , be identifiable while recovery at the end of the experiment.

Because it was concluded that the  those component associated with bacteria by the end of the experiment must be the genetic material, it was critical that the those  component be identifiable as either DNA or protein. If it is not identifiable, then  Hershey and Chase were not be able to define the genetic material.

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