Replication

Replication fork
DNA replication unwinds a portion of the DNA helix, forming a fork like structure.
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Replication may mean:
In biology:
Self-replication, when a molecule (or any other pattern) makes a copy of itself
DNA replication, the act of copying the genetic material of a cell (DNA) to a daughter cell ...
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The point at which the two strands of DNA are separated to allow replication of each strand.
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replication of DNA with completion of mitosis but no cytokinesis.
repeated replication of DNA without forming new nuclei in telophase. This can result in:
Polyploidy: the replicated chromosomes retain their individual identity.
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Replication
After the helicase unwinds the DNA, single-strand binding protein is used to hold the DNA strands in place. RNA primase is then bound to the starting DNA site.
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DNA Replication Complex Revealed in Exquisite Detail
A team of Harvard Medical School researchers have established the 3-dimensional, atom-by-atom structure of T7 DNA polymerase at work.
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RNA cleavage is needed to process tandem repeats produced by rolling circle RNA replication
FactsRNA cleavage.
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Dr. Lawrence Brody, of the National Human Genome Research Institute's Genetic and Molecular Biology Branch, defines DNA replication.
illustrated:
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Replication Forks
DNA synthesis occurs at numerous different locations on the same DNA molecule (hundreds in a human chromosome).
These form bubbles of replication with a replication fork at the growing edge.
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Post-replication repair
A DNA repair process which occurs after DNA replication.
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replication Process by which DNA is duplicated prior to cell division. PICTURE ...
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replication
The process of making a copy of something.
replication fork ...
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replication (1) The sample size or number of animals in each particular treatment in an experiment.
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replication fork - Y-shaped region of replicating DNA molecule at which the two daughter strands are formed and separated
respiratory chain - the name given to the electron-transport chain in the mitochondria ...
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REPLICATION - The copying of a nucleic acid molecule into a new nucleic acid molecule of similar type (i.e., DNA DNA, or RNA RNA).
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replication
the production of exact copies of complex molecules during the growth of living organisms.
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Replication: The act of a cell making a copy of all or some part its genomic DNA.
Replicon: A segment of genomic DNA that contains an origin of replication and is replicated under the control of that origin.
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DNA Replication-the short story
DNA Detail
The Search for DNA-The Birth of Molecular Biology ...
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DNA replication: The use of existing DNA as a template for the synthesis of new DNA strands.
DNA sequence: The relative order of base pairs in any sample of DNA. See base sequence analysis.
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DNA replication: the process by which cells replicate or synthesize their DNA; takes place during S phase of the cell division cycle.
domestic breeding: a process of directed evolution that brings about new forms that differ from ancestral stock.
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Origin of replication. The nucleotide sequence at which DNA synthesis is initiated.
OSHA. See Occupational Safety and Health Administration.
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Origin of replication: Nucleotide sequences present in a plasmid which are necessary for that plasmid to replicate in the bacterial host. (Abbr. "ori") ...
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Autonomous replication sequence (ARS)
A segment of a DNA molecule necessary for the initiation of its replication; generally a site recognized and bound by the proteins of the replication system.
Related Terms: Deoxyribonucleic acid (DNA) ...
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Mitosis replication and division of the chromosomes in a cell
(mito = a thread; -sis = the act of) ...
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The replication cycle of HIV
HIV is a member of the group of viruses known as retroviruses, which share a unique life cycle (Fig. 4).
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Errors during DNA replication may lead to the duplication of a gene, which may diverge over time. Though the two sequences may remain the same or be only slightly altered, they are typically regarded as separate genes (i.e.
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The replication of a cell to form two daughter cells with identical sets of chromosomes. Molecular biology. The study of the biochemical and mo- lecular interactions within living cells. Molecular cloning.
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Example helicase An enzyme that catalyzes the unwinding of strands in a DNA molecule before replication. heme The iron-porphyrin prosthetic group of heme proteins. heme protein A protein containing a heme as a prosthetic group.
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Artificial chromosome A vector constructed from host cell chromosomal elements such as origin of replication, telomeres and centromere (in eukaryotes).
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For example, most living things have evolved elaborate molecular machinery that checks for and corrects errors during the process of DNA replication, keeping their mutation rate down to acceptably low levels; conversely, ...
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Eukaryotic DNA polymerases participate in chromosomal replication, repair, crossing-over and mitochondrial replication. To initiate replication, DNA polymerases require a priming RNA molecule. They extend the DNA using
deoxyribonucleotide ...
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Catalytic functions that polymerize nucleotides and insure polynucleotides replication are provided by highly specialized proteins called enzymes.
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85-96 10 Chromatin-remodelling factors and the maintenance of transcriptional states through DNA replication Sofia Aligianni and Patrick Varga-Weisz..........
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Definition: Cell resulting from the replication and division of a single parent cell.

From Regina Bailey,
Your Guide to Biology.
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short DNA fragment found during discontinuous DNA replication
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row
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A short sequence (of RNA or DNA) from which DNA replication can initiate. May be either a synthetic DNA or RNA or a length of RNA synthesized in vivo by primase.
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polytene chromosome - large chromosome resulting from repeated DNA replication and alignment of homologs in the absence of mitosis; found in salivary glands and some other tissues of dipteran insects.
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nucleus -- Membrane-bound organelle which contains the DNA in the form of chromosomes. It is the site of DNA replication, and the site of RNA synthesis.
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In a DNA molecule adenine always pairs with thymine while cytosine always pairs with guanine. Thus, one DNA strand directs the synthesis of the other strand. This specificity of DNA base pairing is what enables accurate replication of a DNA molecule.
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