Gizmo11297 Gizmo11297

19-01-2015
Biology

Answered

The Hershey-Chase experiment proved that DNA was the hereditary material because (1 point)

radioactive phosphorus in viral proteins was shown not to enter bacterial cells.
radioactive phosphorus in viral DNA was shown to enter bacterial cells.
radioactive sulfur in viral proteins was shown to enter bacterial cells.
radioactive sulfur in viral DNA was shown not to enter bacterial cells.

Answer :

JoiePatel JoiePatel

07-12-2018

Answer:

The correct answer would be radioactive phosphorus in viral DNA was shown to enter bacterial cells.

Hershey and Chase used the radioactive sulfur (³⁵S) and radioactive phosphorus (³²P) to mark protein and DNA in bacteriophage.

They then allowed this bacteriophage to infect the bacteria and then checked that which radioactive material was passed into the infected bacteria.

Infected bacteria showed the presence of radioactive phosphorus in their DNA.

Thus, they concluded that the genetic material was DNA not protein.

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