... accomplishes two things: It makes the molecule both compact and verystrong.It’s been my experience that students and other folks get confused by spatialconcepts where DNA is concerned. In order to see ... rundown on how DNAand its role in inheritance was revealed.Discovering DNAIn 1868, a Swiss medical student named Johann Friedrich Miescher isolatedDNA for the first time. Miescher was working with ... 23-year-old postdoctoral fellow at Cambridge,England, was working with a 38-year-old graduate student named Francis Crick.Together, they were building enormous model of metal sticks and woodenballs,...