The chemical backbones of the double helix are made up of sugar and phosphate molecules that are connected by chemical bonds, known as sugar-phosphate backbones. The two helical strands are ...

And, everyone was also taught that the double helix shape with the strands are bound by hydrogen bonds — but that might no longer be true. According to a new study published in PNAS, the key ...

(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 ...

One of the most important properties of guanine is its ability to form three hydrogen bonds with cytosine. This strong base pairing is crucial for the stability of the DNA double helix and the ...

While a standard helix piercing is located in the outer upper cartilage, you can also get forward, backward, double or even triple helix piercings. More on those below... Okay, so what makes a ...