Zoology - Molecular Basis of Inheritance Question with Solution | TestHub
With reference to Hershey and Chase experiments. Select the correct statements. (A) Viruses grown in the presence of radioactive phosphorus contained radioactive DNA. (B) Viruses grown on radioactive sulphur contained radioactive proteins. (C) Viruses grown on radioactive phosphorus contained radioactive protein. (D) Viruses grown on radioactive sulphur contained radioactive DNA. (E) Viruses grown on radioactive protein contained radioactive DNA. Choose the most appropriate answer from the options given below :NEET 2023 (Manipur)
Options:
Answer:
Solution:
In Hershey and Chase experiment, after centrifugation the bacterial cells showed the presence of a radioactive DNA labelled with while radioactive protein labelled with appeared outside the bacterial cell i.e. in the medium. Labelled DNA was also found in the next generation of phage. Bacteria that were infected with viruses that had radioactive protein were not radioactive. Statement A and B are correct. Hence option (4) is correct.
