[image:6_image65.wmf] and [image:6_image66.wmf] are incorporated in bases like thymidine, uridine and amino acids to study the structure of DNA and proteins. Radiotracer technique shows that DNA is in double helical form.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.