Hershey and Chase performed an experiment in which they used radioactive isotopes of phosphorus and sulfur to label different components of bacterial viruses. Their results clearly showed that
a. DNA was entering into the infected bacteria.
b. the viruses did not contain protein.
c. the viruses did not contain DNA.
d. protein was entering into the infected bacteria.
e. genetic material normally contains radioactive isotopes.
A; The experiment only investigates what enters into the infected bacteria.
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