A. Telomeres are the protective caps at the ends of chromosomes in cells.
端粒就是细胞内的染色体上的一个保护罩。
Replace any valve outlet and protective caps originally shipped with the cylinder.
替换最初同钢瓶一起运输的阀门排气口和保护帽。
Our DNA is carrying chromosomes and at each end of these, a sort of protective caps called telomeres.
我们的DNA携带染色体，在每条染色体的末端都有保护性的端粒。
Our DNA is carrying chromosomes and at each end of these, a sort of protective caps called telomeres.
我们的DNA携带染色体，在每条染色体的末端都有保护性的端粒。
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