DNA - Wikipedia, the free encyclopedia
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Deoxyribonucleic acid ( DNA ) is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms and some viruses. The main role of DNA m...
en.wikipedia.org/wiki/DNA
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DNA replication - Wikipedia, the free encyclopedia
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DNA replication , the basis for biological inheritance, is a fundamental process occurring in all living organisms to copy their DNA. This process is "semiconservative" in that each strand of the ori...
en.wikipedia.org/wiki/DNA_replication
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Apr 30, 2002 ... Before a cell divides, its DNA is replicated (duplicated.) Because the two strands of a DNA molecule have complementary base pairs, ...
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www.contexo.info/DNA_Basics/DNA%20Replication.htm
www.contexo.info/DNA_Basics/DNA%20Replication.htm
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Based on these data and Röntgen structure analysis, J.D.WATSON and F.H.CRICK did develop the WATSON-CRICK-model in 1953. Its chief property: it explains the mechanism of the genetic material's replication by using both of the DNA strands as matrices.
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www.biologie.uni-hamburg.de/b-online/e17/17k.htm
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Two identical copies of an IR sequence of 12,022 bp are separated from one another by single-copy regions differing by only 7.5 kbp in size (SC1 and SC2). For both isomeric forms of the genome, a remarkably strong bias is observed in the distribution of genes between the two DNA strands.
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www.biomedcentral.com/1471-2148/6/37
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Duplication of Gene - Genes are segments of the DNA molecule. It therefore follows that The two strands of the DNA double helix separate from each other. To each strand are attached nucleotides that were present in the former partner (complementary pairing). In this way two identical double strands of DNA are formed.
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www.microbiologyprocedure.com/genes/duplication-of-gene...
www.microbiologyprocedure.com/genes/duplication-of-gene.htm
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It has been postulated that the stem cells of somatic tissues protect themselves from mutation and cancer risk by selective segregation of their template DNA strands.
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dev.biologists.org/cgi/content/full/132/4/681
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We famously share more than 98% of our DNA with chimpanzees, our closest living relatives. Our proteins are virtually identical and our chromosomes have more or less the same structure. At the level of the nucleotide (the "letters" that build strands of DNA), ... No one know why this burst of duplication happened,
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scienceblogs.com/notrocketscience/2009/02/a_burst_of_dn...
scienceblogs.com/notrocketscience/2009/02/a_burst_of_dna_duplication_in_the_ancestor_of_humans_chimps.php
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Long Open Reading Frames (ORFs) in antisense DNA strands have been reported in the literature as being rare events. ... Genetic variation is mostly attributed to processes such as mutation, duplication, and rearrangement of ancient modules.
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lib.bioinfo.pl/pmid:7015290/pmid/cit
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