Beyond the ladder-like structure described above, another key characteristic of double-stranded DNA is its unique three-dimensional shape. The first photographic evidence of this shape was ...

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 ...

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 ...

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

Shown here is the structure of naked DNA -- DNA without all of the proteins ... Each sugar-phosphate-base combination is called a nucleotide. A nucleotide is made up of 30 atoms, plus or minus ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single ... DNA mutations are changes in the nucleotide sequence of the ...

DNA achieves this feat of storing, coding and transferring biological information though its unique structure ... the process by which the sequence of nucleotide bases is determined for individual ...

In its structure, DNA contains a pattern for producing amino ... with variations called single-nucleotide polymorphisms, or ...

A recent study by researchers from Peking University demonstrates the potential of nuclear electric resonance to control the nuclear spins of nitrogen atoms in DNA using electric field gradients, ...