• Thumbnail for DNA replication
    near perfect fidelity for DNA replication. In a cell, DNA replication begins at specific locations, or origins of replication, in the genome which contains...
    60 KB (7,306 words) - 20:48, 25 March 2024
  • Thumbnail for Eukaryotic DNA replication
    Eukaryotic DNA replication is a conserved mechanism that restricts DNA replication to once per cell cycle. Eukaryotic DNA replication of chromosomal DNA is central...
    119 KB (14,643 words) - 16:04, 26 April 2024
  • Thumbnail for Prokaryotic DNA replication
    Prokaryotic DNA Replication is the process by which a prokaryote duplicates its DNA into another copy that is passed on to daughter cells. Although it...
    17 KB (2,150 words) - 13:43, 23 June 2023
  • Thumbnail for Origin of replication
    The origin of replication (also called the replication origin) is a particular sequence in a genome at which replication is initiated. Propagation of the...
    113 KB (12,563 words) - 01:23, 21 April 2024
  • Semiconservative replication describes the mechanism of DNA replication in all known cells. DNA replication occurs on multiple origins of replication along the DNA template...
    10 KB (1,155 words) - 06:53, 13 March 2024
  • Thumbnail for DNA polymerase
    of DNA. These enzymes are essential for DNA replication and usually work in groups to create two identical DNA duplexes from a single original DNA duplex...
    59 KB (7,053 words) - 16:38, 28 April 2024
  • Thumbnail for Rolling circle replication
    circle replication (RCR) is a process of unidirectional nucleic acid replication that can rapidly synthesize multiple copies of circular molecules of DNA or...
    24 KB (2,920 words) - 06:07, 28 September 2023
  • Thumbnail for Circular chromosome
    bacteria chromosome replication is best understood in the well-studied bacteria Escherichia coli and Bacillus subtilis. Chromosome replication proceeds in three...
    21 KB (2,794 words) - 20:32, 9 February 2024
  • Thumbnail for DNA virus
    polyadenylation site. dsDNA viruses make use of several mechanisms to replicate their genome. Bidirectional replication, in which two replication forks are established...
    25 KB (2,893 words) - 04:22, 4 July 2023
  • Thumbnail for DNA synthesis
    prokaryotes, DNA replication occurs when specific topoisomerases, helicases and gyrases (replication initiator proteins) uncoil the double-stranded DNA, exposing...
    14 KB (1,799 words) - 23:34, 8 April 2024
  • cause aging. (Also see DNA damage theory of aging.) In replicating cells, such as cells lining the colon, errors occur upon replication past damages in the...
    79 KB (9,956 words) - 11:19, 14 March 2024
  • Thumbnail for Cell cycle
    two daughter cells. These events include the duplication of its DNA (DNA replication) and some of its organelles, and subsequently the partitioning of...
    77 KB (8,991 words) - 15:41, 30 March 2024
  • Thumbnail for S phase
    initiates synthesis of new DNA. Complete replication fork assembly and activation only occurs on a small subset of replication origins. All eukaryotes possess...
    15 KB (1,681 words) - 15:45, 29 October 2023
  • non-coding DNA fraction include regulatory sequences that control gene expression; scaffold attachment regions; origins of DNA replication; centromeres;...
    42 KB (4,778 words) - 10:30, 19 February 2024
  • Thumbnail for Okazaki fragments
    eukaryotes, DNA replication takes place in the nucleus. A plethora replication form in just one replicating DNA molecule, the start of DNA replication is moved...
    33 KB (4,435 words) - 04:51, 11 April 2024
  • Thumbnail for Chloroplast
    points of origin. Multiple replication forks open up, allowing replication machinery to transcribe the DNA. As replication continues, the forks grow and...
    193 KB (18,774 words) - 13:51, 2 February 2024
  • Thumbnail for DNA polymerase III holoenzyme
    DNA polymerase III holoenzyme is the primary enzyme complex involved in prokaryotic DNA replication. It was discovered by Thomas Kornberg (son of Arthur...
    7 KB (807 words) - 13:43, 10 December 2023
  • Thumbnail for DNA
    into DNA strands during processes such as transcription and DNA replication. DNA exists in many possible conformations that include A-DNA, B-DNA, and...
    166 KB (17,845 words) - 19:31, 23 March 2024
  • Thumbnail for DNA replication stress
    DNA replication stress refers to the state of a cell whose genome is exposed to various stresses. The events that contribute to replication stress occur...
    14 KB (1,450 words) - 15:52, 5 February 2024
  • Thumbnail for DNA replication factor CDT1
    licensing and DNA replication factor 1) is a protein that in humans is encoded by the CDT1 gene. It is a licensing factor that functions to limit DNA from replicating...
    12 KB (1,439 words) - 16:41, 28 October 2022
  • Thumbnail for Transcription (biology)
    viral proteins needed for viral replication. This process is catalyzed by a viral RNA replicase.[clarification needed] A DNA transcription unit encoding for...
    58 KB (6,780 words) - 13:42, 20 April 2024
  • during DNA replication. replication fork The point at which the paired strands of a double-stranded DNA molecule are separated by helicase during DNA replication...
    251 KB (21,681 words) - 21:29, 26 April 2024
  • of DNA duplication is usually called replication. The replication is termed semiconservative since each new cell contains one strand of original DNA and...
    15 KB (1,619 words) - 15:23, 23 September 2023
  • DNA helix. A second topological challenge results from the linking or tangling of DNA during replication. Left unresolved, links between replicated DNA...
    57 KB (6,173 words) - 00:11, 11 December 2023
  • Thumbnail for DNA methylation
    replication, sequestering it and thus preventing methylation. Because hemimethylated origins of replication are inactive, this mechanism limits DNA replication...
    115 KB (13,262 words) - 14:22, 26 April 2024
  • pairs. See also A-DNA and Z-DNA. beta oxidation bidirectional replication A common mechanism of DNA replication in which two replication forks move in opposite...
    258 KB (23,446 words) - 18:15, 2 May 2024
  • DNA replication must occur if genetic material is to be provided for the progeny of any cell, whether somatic or reproductive, the copying from DNA to...
    25 KB (2,983 words) - 18:50, 15 April 2024
  • or enzyme action. Nicks allow DNA strands to untwist during replication, and are also thought to play a role in the DNA mismatch repair mechanisms that...
    15 KB (2,017 words) - 07:06, 28 December 2023
  • Thumbnail for Point mutation
    take place during DNA replication. DNA replication occurs when one double-stranded DNA molecule creates two single strands of DNA, each of which is a...
    35 KB (4,359 words) - 07:19, 9 April 2024
  • Thumbnail for Molecular cloning
    molecular biology that are used to assemble recombinant DNA molecules and to direct their replication within host organisms. The use of the word cloning refers...
    32 KB (4,016 words) - 16:47, 6 April 2024