Q. Select the incorrect statement.
A) Viruses grown on medium containing radioactive phosphorus contain radioactive protein and DNA.
B) Viral DNA do not contain sulphur.
C) Viruses grown on medium containing radioactive sulphur contain radioactive protein only.
D) Protein coat of DNA do not contain phosphorus.
Explanation
In Hershey and Chase experiment, the viruses grown on medium containing radioactive phosphorus possess radioactive DNA and nonradioactive protein. It is because the DNA contains phosphorus while protein do not. Viral protein coat contain sulfur which is not found in the DNA.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.