DNA (deoxyribonucleic acid), the molecular "blueprint" carrying the genetic instructions that influence the growth, ...

that the DNA molecule exists in the form of a three-dimensional double helix. More than 50 years passed before the significance of Miescher's discovery of nucleic acids was widely appreciated by ...

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 ...

In the prokaryotic bacterium E. coli, replication can occur at a ... time by using each unwound strand from the original DNA double helix as a template. One of these original strands is called ...

But after a few decades, when a separate research group found that E. coli exposed ... negatively supercoiled DNA -- an underwound and twisted form of the double helix -- because it better mimics ...

The signature imagery of two DNA strands locked around each other is one that everyone has seen in school. And, everyone was also taught that the double helix shape with the strands are bound by ...

The DNA molecule has a double-helix structure. To be copied ... these letters are arranged makes up the genetic information, ...

The backbone of the DNA double helix consists of alternating phosphate and deoxyribose sugar molecules. Interlinking bases hold the two sides together. As A is complementary to T and C is ...

The double helix unwinds, and each strand serves as a template ... Mutations can occur spontaneously due to errors during DNA replication or as a result of exposure to mutagens (e.g., UV radiation, ...

(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 ...

Not all DNA is in the double helix form described in textbooks since the 1950’s. Quadruple helix DNA, also known as G-quadruplex DNA, was identified in the human genome several decades ago, and ...

The Race for the Double Helix, a 1987 made-for-television film that dramatizes the discovery of the structure of DNA by the legendary duo James Watson and Francis Crick in 1953. The film stars Jeff ...