Hershey and Chase used _______ to prove DNA was the carrier of inherited material.
a. radioactive isotopes
b. enzymes
c. nucleic acids
d. none of the above
a. radioactive isotopes. They use radioactive Phosphorus-32 as labels on a phage (bacteriophage) DNA that infects E. coli. Their experiment showed that the radioactive isotopes were only seen in E.coli and not in the phage.
