In the Hershey-Chase experiment, what happened to the bacteria that lead been infected by viruses that had radioactive DNA, and to the bacteria that had been infected with viruses that had been marked with radioactive proteins?
a. The bacteria infected with viruses that had radioactive DNA had become radioactive. The bacteria that had been infected with viruses marked with radioactive proteins were not radioactive.
b. The bacteria infected with viruses that had radioactive proteins had become radioactive.
The bacteria that had been infected with viruses marked with radioactive DNA were not
radioactive.
c. The bacteria infected with viruses that had radioactive DNA had become radioactive.
The bacteria that had been infected with viruses marked with radioactive proteins had
also became radioactive.
d. The bacteria infected with viruses that had radioactive DNA had not become
radioactive. The bacteria that had been infected with viruses marked with radioactive
proteins had also not become radioactive.
Answer: a. The bacteria infected with viruses that had radioactive DNA had become radioactive. The bacteria that had been infected with viruses marked with radioactive proteins were not radioactive.