端粒是构成真核生物线状染色体末端重要的DNA．蛋白质复合结构，端粒DNA由简单串联重复序列组成。端粒对染色体、整个生物基因组，甚至对......

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<正> Telomeres are protective structures at the ends of eukaryotic chromosomes. The loss of telomeres through cell divis......