端粒是染色体末端具有TTAGGG重复序列的特殊结构，它对维护染色体完整并在细胞老化和肿瘤中起着重要作用。
Telomeres , which consist of repeated TTAGGG sequences at the end of the chromosome, are essential for genome integrity and play an important role in cell aging and cancer .
端粒是保护染色体末端的非编码重复DNA序列。
Telomeres are sections of noncoding, repeating DNA that protect chromosome ends.
端粒是染色体末端的特化结构，由简单呈串联线性排列的核酸重复序列及相关蛋白质组成。
Telomeres, the specialized structure of chromosomes ends, consist of tandem arrays of DNA repeats and related proteins.
端粒酶是真核生物中一种逆转录酶，它能将端粒区的g重复序列加到染色体末端以维持端粒长度的稳定。
Telomerase is a ribonucleoprotein enzyme maintaining the length of the telomeres by adding G-rich repeats to the end of the eukaryotic chromosomes.
端粒酶是真核生物中一种逆转录酶，它能将端粒区的g重复序列加到染色体末端以维持端粒长度的稳定。
Telomerase is a ribonucleoprotein enzyme maintaining the length of the telomeres by adding G-rich repeats to the end of the eukaryotic chromosomes.
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