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Extended structures double-stranded

Structure-based and source-based nomenclature rules have been extended to regular double-strand (ladder and spiro) organic polymers [7]. A double-strand polymer is defined as a polymer the molecules of which are formed by an uninterrupted sequence of rings with adjacent rings having one atom in common (spiro polymer) or two or more atoms in common (ladder polymer). [Pg.275]

During the prophase of the first meiotic division (meiosis I) two homologous pairs of partially "condensed" chromosomes must find each other and pair with appropriate orientation. A protein in the telomeres of the chromosomes seems to be involved.269 277 The key structure in meiotic crossing-over is the ribbonlike synaptonemal complex formed by the pairs of homologous chroma fids.271/278 2791 This complex, in which a proteinaceous core or axial element separates the greatly extended chromatid pairs (Fig. 26-13), is fully formed in the pachytene stage of meiosis. Formation of the synaptonemal complex is preceded by development of a few double-stranded breaks in... [Pg.1505]

See other pages where Extended structures double-stranded is mentioned: [Pg.318]    [Pg.101]    [Pg.451]    [Pg.272]    [Pg.258]    [Pg.473]    [Pg.1222]    [Pg.262]    [Pg.683]    [Pg.44]    [Pg.405]    [Pg.510]    [Pg.1618]    [Pg.189]    [Pg.180]    [Pg.73]    [Pg.409]    [Pg.164]    [Pg.191]    [Pg.163]    [Pg.553]    [Pg.40]    [Pg.118]    [Pg.661]    [Pg.200]    [Pg.74]    [Pg.10]    [Pg.37]    [Pg.84]    [Pg.205]    [Pg.205]    [Pg.233]    [Pg.51]    [Pg.125]    [Pg.322]    [Pg.1]    [Pg.199]    [Pg.67]    [Pg.137]    [Pg.273]    [Pg.167]    [Pg.189]    [Pg.66]    [Pg.710]    [Pg.144]    [Pg.134]    [Pg.739]    [Pg.932]   
See also in sourсe #XX -- [ Pg.293 , Pg.294 ]



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Double 33 structure

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