单词	telomerase
释义	telomerase /ˈtiːlə(ʊ)mɪəreɪz / /ˈtɛlə(ʊ)mɪəreɪz/ noun Genetics The enzyme in a eukaryote that repairs the telomeres of the chromosomes so that they do not become progressively shorter during successive rounds of chromosome replication.Human cells have an additional barrier to unfettered replication - most lack the chromosome repair enzyme called telomerase that rat cells possess.... Telomeres, the natural ends of linear chromosomes, are maintained by the specialized reverse transcriptase called telomerase. In eukaryotic cells with telomeres composed of short tandem repeats, this involves the enzyme telomerase.
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