If a Mixture of Bacteriophages,some Labeled with Radioactive Sulfur and Others

Multiple Choice

If a mixture of bacteriophages,some labeled with radioactive sulfur and others labeled with radioactive phosphorus,is placed in a bacterial culture,the bacteria will eventually contain ____.  

A) primarily radioactive sulfur
B) primarily radioactive phosphorus
C) both radioactive sulfur and phosphorus
D) neither radioactive sulfur nor radioactive phosphorus
E) complete viruses with radioactive sulfur coats