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Diagram of DNA polymerase extending a DNA strand and proof-reading. ... distribute and/or modify this document under the terms of the GNU Free ... Graphics Lab/Images ...
Photo 51 is an X-ray based fiber diffraction image of a paracrystalline gel composed of DNA fiber [1] taken by Raymond Gosling, [2] [3] a postgraduate student working under the supervision of Maurice Wilkins and Rosalind Franklin at King's College London, while working in Sir John Randall's group.
This image is a derivative work of the following images: File:DNA simple2.svg licensed ... Description=Simple diagram of double-stranded DNA (without text ...
English: A gene is a region of DNA that encodes function. A chromosome consists of a long strand of DNA containing many genes. A human chromosome can be up to 250 mega base pairs of DNA and contain thousands of genes.
Therefore, any DNA strand normally has one end at which there is a phosphate group attached to the 5′ carbon of a ribose (the 5′ phosphoryl) and another end at which there is a free hydroxyl group attached to the 3′ carbon of a ribose (the 3′ hydroxyl).
The tertiary arrangement of DNA's double helix in space includes B-DNA, A-DNA, and Z-DNA. Triple-stranded DNA structures have been demonstrated in repetitive polypurine:polypyrimidine Microsatellite sequences and Satellite DNA. B-DNA is the most common form of DNA in vivo and is a more narrow, elongated helix than A-DNA. Its wide major groove ...
This image is a derivative work of the following images: DNA intercalation.jpeg licensed with PD-user-en, PD-user-w 2005-11-12T10:40:49Z David Berardan 509x482 (43264 Bytes) transfered from english wikipedia An illustration of [[DNA intercalation]]. Left: unchanged [[DNA]] strand. Right: DNA strand intercalated at three locations (red segments).
A single-stranded non-circular DNA molecule has two non-identical ends, the 3' end and the 5' end (usually pronounced "three prime end" and "five prime end"). The numbers refer to the numbering of carbon atoms in the deoxyribose, which is a sugar forming an important part of the backbone of the DNA molecule. In the backbone of DNA the 5' carbon ...