DNA is a linear molecule composed of four types of smaller chemical molecules called nucleotide bases ... together to form a double helix. The structure of DNA can also be described as a ladder.

First, he noted that the nucleotide composition of DNA varies ... that A bound to T and C bound to G within the molecular structure of DNA (Figure 2). Chargaff's realization that A = T and C ...

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 nucleotide consists of alternating sugar and phosphate sections with one of the four different bases attached to the sugar.

Researchers have uncovered a way to manipulate DNA at the atomic level using electric field gradients to control nitrogen ...

How do we study the molecular structure of DNA? And why do they talk about it ... with variations called single-nucleotide ...

DNA, or deoxyribonucleic ... to form a double helix structure. Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases (Image: Wikimedia Commons, CC SA 3.0) ...

A variety of chemical modifications decorate the nucleic acids, increasing the alphabet of DNA to about ... alternative nucleotide forms. The different building blocks can affect the complementarity ...

The DNA molecule was composed of the traditional sugar backbones and nucleotide pairs, but rather than the well-known right-handed spiral of the double helix structure ... neurological disorders.