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. radioactive sulfur.
b. radioactive phosphorus.
c. both radioactive sulfur and phosphorus.
d. neither radioactive sulfur nor radioactive
phosphorus.
e. complete viruses with radioactive sulfur coats.
Answer: b
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