This means that one strand's sugar-phosphate chain runs in the 5' to 3' direction ... pursuing a definitive model for the stable structure of DNA inside cell nuclei. Watson and Crick ultimately ...

In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers ... This way DNA can reproduce itself without changing its structure -- except for occasional ...

But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical that encodes instructions for building and replicating almost all ...

Each of us has enough DNA to reach from here to the sun and back ... the 30-nanometer fiber may be highly irregular and not quite the uniform structure depicted in instructive drawings such ...

Earlier that morning, in the nearby Cavendish laboratory, the two scientists had discovered the structure of deoxyribonucleic acid, or DNA. This discovery changed the world of science and medicine ...

the helix structure is unwound special molecules break the weak hydrogen bonds between bases, which are holding the two strands together this process occurs at several locations on a DNA molecule ...

Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases. (Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base ...

Get Instant Summarized Text (Gist) The DNA repair protein RAD52 has been found to adopt a unique double-ring structure when binding to DNA, which may aid in developing new cancer treatments. This ...

Kossel isolated cytosine from calf thymus tissues and found that it was a component of nucleic acids. This discovery, along with the identification of other nitrogenous bases, laid the foundation for ...