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Module Exam #2

Question:

1. How did the work of Hershey and Chase contribute to the model of DNA as the genetic material?

Answer:

Hershey and Chase designed a series of experiments to determine whether phage protein or DNA is transmitted in phage replication. They used radioactive forms of phosphorus and sulfur to follow DNA and protein. When new phage progeny emerged, many emitted radioactivity from 32P, demonstrating that DNA had been passed on during reproduction.
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Last update by harmon.271 on 06/08/2011
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Module Exam #2
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Free Flashcard From Module Exam #2
Question: 1. How did the work of Hershey and Chase contribute to the model of DNA as the genetic material?
Answer: Hershey and Chase designed a series of experiments to determine whether phage protein or DNA is transmitted in phage replication. They used radioactive forms of phosphorus and sulfur to follow DNA and protein. When new phage progeny emerged, many emitted radioactivity from 32P, demonstrating that DNA had been passed on during reproduction.