Levene made his initial proposal in 1919, discrediting other suggestions that had been put forth about the structure of nucleic acids. In Levene's own words, "New facts and new evidence may cause ...

Nucleic acids are complex biological molecules that store and transmit ... to form the iconic double helix structure. RNA is usually single-stranded but can form complex secondary structures through ...

This technology has become the primary method for determining ... making it difficult to accurately model protein, nucleic ...