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Schematic picture of DNA polymerase III* (with subunits). This is the old textbook "trombone model" with two units of Pol III. DNA polymerase III holoenzyme is the primary enzyme complex involved in prokaryotic DNA replication. It was discovered by Thomas Kornberg (son of Arthur Kornberg) and Malcolm Gefter in 1970.
The DNA model shown (far right) is a space-filling, or CPK, model of the DNA double helix. Animated molecular models, such as the wire, or skeletal, type shown at the top of this article, allow one to visually explore the three-dimensional (3D) structure of DNA. Another type of DNA model is the space-filling, or CPK, model.
File:DNA_replication_en.svg licensed with PD-user 2009-06-01T14:09:19Z Bibi Saint-Pol 691x336 (113021 Bytes) {{Information |Description= {{en|DNA replication or DNA synthesis is the process of copying a double-stranded DNA molecule. This process is paramount to all life as we know it.}} |Source=Own work |Date= 2007-01-24 |Author= [
The factual accuracy of this diagram or the file name is disputed. ... DNA replication or DNA synthesis is the process of copying a double-stranded DNA molecule.
DNA replication. The two base-pair complementary chains of the DNA molecule allow replication of the genetic instructions. The "specific pairing" is a key feature of the Watson and Crick model of DNA, the pairing of nucleotide subunits. [5] In DNA, the amount of guanine is equal to cytosine and the amount of adenine is equal to thymine. The A:T ...
DNA is a duplex formed by two anti-parallel strands. Following Meselson-Stahl, the process of DNA replication is semi-conservative, whereby during replication the original DNA duplex is separated into two daughter strands (referred to as the leading and lagging strand templates). Each daughter strand becomes part of a new DNA duplex.
Stylized DNA replication fork with nucleotides matched, 5'->3' synthesis shown, no enzymes in diagram. Please credit Madeleine Price Ball if used in a commercial context.
The process of semiconservative replication for the site of DNA replication is a fork-like DNA structure, the replication fork, where the DNA helix is open, or unwound, exposing unpaired DNA nucleotides for recognition and base pairing for the incorporation of free nucleotides into double-stranded DNA. [3]