[to] one man, one place, one date." Laying the Groundwork: Levene Investigates the Structure of DNA Meanwhile, even as Miescher's name fell into obscurity by the twentieth century, other ...

The central dogma of molecular biology suggests that the primary role of RNA is to convert ... However, in the half-century since the structure of DNA was first elaborated, scientists have learned ...

It shows a hexagonal ring with nitrogen atoms at positions 1 and 3, and a primary amine group attached to carbon ... laid the foundation for our understanding of DNA and RNA structure. Cytosine can be ...