In the Hershey-Chase Experiments, the Radioactive Tracers ³²P and ³⁵S

question 78

Multiple Choice

In the Hershey-Chase experiments, the radioactive tracers ³²P and ³⁵S were used to track DNA and protein, respectively, because _____.

• A) bacterial DNA contains sulfur and viral DNA contains phosphorus
• B) viral DNA contains sulfur and bacterial DNA contains phosphorus
• C) only DNA contains phosphorus and only protein contains sulfur
• D) DNA has more sulfur than protein and protein has more phosphorus than DNA
• E) protein has more sulfur than DNA and DNA has more phosphorus than protein

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