14. DNA Synthesis
The Hershey-Chase Experiment
Multiple Choice
Multiple ChoiceIn an important experiment, a radioactively labeled bacteriophage was allowed to infect bacteria. In a first trial, the phage contained radioactive DNA, and radioactivity was detected inside the bacteria. Next, phage-containing radioactive protein was used, and the radioactivity was not detected inside the bacteria. These experiments led to the conclusion that __________.
A
bacteriophages can infect bacteria
B
DNA is made of nucleotides
C
the genetic material of the phage is protein
D
genes are on chromosomes
E
the genetic material of the phage is DNA
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