What will happen when the radioactive protein capsule of the virus is attached onto the bacteria?(a) Radioactivity is detected in the supernatant(b) Radioactivity is absent in the supernatant(c) Radioactive DNA is injected into the bacterium(d) Attachment of the virus to the bacterium doesn’t occurThis question was posed to me during a job interview.My question comes from The Genetic Material is DNA in chapter Molecular Basis of Inheritance of Biology – Class 12

What will happen when the radioactive protein capsule of the virus is

1.	What will happen when the radioactive protein capsule of the virus is attached onto the bacteria?(a) Radioactivity is detected in the supernatant(b) Radioactivity is absent in the supernatant(c) Radioactive DNA is injected into the bacterium(d) Attachment of the virus to the bacterium doesn’t occurThis question was posed to me during a job interview.My question comes from The Genetic Material is DNA in chapter Molecular Basis of Inheritance of Biology – Class 12
Answer» CORRECT OPTION is (a) Radioactivity is detected in the supernatant The best I can explain: The virus attaches itself to the bacterium having a radioactive protein capsule. The transfer of DNA ALONE occurs between the virus and bacteria. The protein capsule or any of its PARTS is not involved in the process. So, radioactivity can be OBSERVED in the supernatant after the centrifugation stage.

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