DNA (deoxyribonucleic acid) is the genomic material in cells that contains the genetic information used in the development and functioning of all known living organisms. DNA, along with RNA and proteins, is one of the three major macromolecules that are essential for life.
Further information: Osteopathic medicine in the United States. Doctor of Osteopathic Medicine (D.O.) is a professional doctoral degree for physicians and surgeons offered by medical schools in the United States. A D.O. degree graduate may become licensed as an osteopathic physician, having equivalent rights, privileges, and responsibilities as a physician who has earned the Doctor of Medicine (M.D.) degree.
Top 10 facts about the world. A doctor of osteopathic medicine (DO) is a physician with training that differs slightly from that of a medical doctor with an MD. He or she is equally educated, with four years of undergraduate training, four years of medical schools, and additional years if he or she chooses to specialize.