Bacteriophages are viruses that infect bacteria. In an experiment, bacteriophages were labeled with either radioactive phosphorus or radioactive sulfur. The labeled bacteriophages were incubated with bacteria for a brief amount of time and then removed. The infected bacteria cells were found to contain significant amounts of radioactive phosphorus but not radioactive sulfur. Based on the results of the experiment, which of the following types of molecules did the bacteriophages most likely inject into the bacteria cells.

Bacteriophage is a virus that infects its host which are bacteria. These have genetic material which are enclosed in the proteinaceous coat. Protein contains a large amount of sulfur and DNA contains a large amount of phosphorus in it.

So when the bacteriophage labeled with radioactive phosphorus and sulfur infected bacteria the infected bacteria were found to contain significant amounts of radioactive phosphorus, not sulfur which shows that DNA got transferred into the bacteria not proteins because DNA was labeled with radioactive phosphorus.

So DNA would be the molecules that the bacteriophage most likely to inject into the bacterial cell.

Martebi Martebi · Answer 2 · 2021-10-28T17:30:12+02:00

Based on the results of the experiment, DNA is the types that the bacteriophages most likely would inject into the bacteria cells.

In 1951 to 1952, Alfred Hershey and Martha Chase carried out a series to know how genes were made of deoxyribonucleic acid, or DNA.

They performed their experiments called the Hershey-Chase experiments.

The experiment was conducted on viruses that infect bacteria, also called bacteriophages.

Conclusively, the Hershey-Chase experiments put to rest the debate about the composition of genes as it allows scientists to investigate the molecular mechanisms by which genes function in organisms.

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