Alfred Hershey and Martha Chase Examined Transformation Using Bacteriophage (Bacterial

question 49

Multiple Choice

Alfred Hershey and Martha Chase examined transformation using bacteriophage (bacterial DNA virus) and bacterial cells.In these experiments,they used radioactivity to label nucleic acids (in this case DNA) and proteins.What do radioactive sulfur and phosphate specifically label?

• A)Sulfur labels DNA,and phosphate labels protein.
• B)Sulfur labels both protein and DNA.
• C)Phosphate labels both protein and DNA.
• D)Sulfur labels protein,and phosphate labels DNA.
• E)None of the answer options are correct.

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