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 ...

Each of us has enough DNA to reach from here to the sun and back ... the 30-nanometer fiber may be highly irregular and not quite the uniform structure depicted in instructive drawings such ...

Earlier that morning, in the nearby Cavendish laboratory, the two scientists had discovered the structure of deoxyribonucleic acid, or DNA. This discovery changed the world of science and medicine ...

Non-Watson-Crick base pairs can play important roles in RNA secondary structure, protein-nucleic acid interactions, and genetic recoding events. The Role of Base Pairs in Genetics Base pairs play a ...

This way DNA can reproduce itself without changing its structure -- except for occasional errors, or mutations. The structure so perfectly fit the experimental data that it was almost immediately ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single-stranded RNA and a double ... DNA analysis has become a ...