This opening sentence of James Watson and Francis Crick's second major paper, published shortly after the announcement of their proposed structure for the genetic material, has proven to be an ...

DNA is fundamental to the biology of all life on Earth, but how many of us actually know what it is or what it's made of?

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 ...

As early as 1943 Oswald Avery proved what had been suspected: that DNA, a nucleic acid ... yielded a shadow picture of the molecule's structure, by how the X-rays bounced off its component ...

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

A researcher in Purdue University's College of Science is developing a patent-pending platform technology that mimics the dual-layer structure of viruses to deliver nucleic acid (NA)-based ...

Uracil forms hydrogen bonds with adenine in RNA, contributing to the molecule's structure and function. (Image: Public Domain) Uracil was first discovered in 1900 by the Italian chemist Alberto Ascoli ...

WEST LAFAYETTE, Ind. — A researcher in Purdue University’s College of Science is developing a patent-pending platform technology that mimics the dual-layer structure of viruses to deliver nucleic acid ...