Why is DNA almost always a right-handed helix? Same with alpha helices, the building blocks of proteins. Chirality, or ...

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?

(Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base pair, named after James Watson and Francis Crick, who first proposed the double helix structure of ...

For the first time, scientists have witnessed the very moment DNA begins to unravel, revealing a necessary molecular event ...

In other words, DNA contains all of the information required to build and maintain an organism ... the molecular shape of DNA as a "double helix." Double-stranded DNA is composed of two linear ...

In the double helix structure of DNA, thymine forms a base pair with ... potentially leading to altered gene function or genetic disorders. Thymine is a fundamental building block of DNA, playing a ...

Chances are you've seen an illustration of DNA's double-helix structure and even pictures of the chromosomes that comprise the human genome. But where and how does the famous double helix fit into ...

Living organisms are constantly building new cells or repairing old ... bonds between the bases in a base pair. The "double helix" of DNA refers to the physical shape of the molecule, an ...

Crick and Watson were trying to build a 3D model of the DNA molecule ... This showed that DNA had a helix shape. Without her knowledge, one of her colleagues showed the picture to James Watson.

Researchers at the Chambers University of Technology have discovered that water is why DNA strands are wrapped around each other and have a helix shape. Understanding how DNA repairs itself could ...