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Why did Hershey and Chase label the viral DNA with radioactive phosphorous and not radioactive sulfur?
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Why did Hershey and Chase label the viral DNA with radioactive phosphorous and not radioactive sulfur?

User Jason Plurad
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Answer:

Well, all DNA contains phosphorus, and lacks sulfur, whereas protein contains sulfur but no phosphorus. Only one sample had only radioactive DNA while the other only contained radioactive protein.

User Niv Apo
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