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Biology 24 Online
OpenStudy (anonymous):

Why did Hershey and Chase label the viral DNA with radioactive phosphorous and not radioactive sulfur? (1 point)DNA contains phosphorus and no sulfur. Proteins contain phosphorus and no sulfur. DNA contains sulfur and little phosphorus. Proteins contain sulfur and little phosphorus.

OpenStudy (agreene):

DNA contains phosphorus and no sulfur.

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