An experiment similar to the 1952 Hershey and Chase experiments was done in which radioisotope 35S was added to a bacteriophage replicating within its bacterial host. The new phage particles were carefully isolated and used to infect fresh bacterial cells and no radioisotopes were utilized. Based on this information, where would you expect to find the 35S radioisotope immediately after infection

inside the phage ghosts outside the bacterial cells.

Explanation:

According to Hershey & Chase- Experiments, the radioisotope 35S is frequently associated with protein since sulfur is a protein component.  The radioactive sulfur is absorbed into the protein coat because it already contained sulfur (35S).  The radioactive marker 35S was integrated into the Bacteriophage protein coat and remained as phage ghosts outside the bacterial cells.

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