Telomeres protect the genes, much like the plastic tips on the ends of shoelaces.
端粒可以保护基因，这种情况恰恰像鞋带末端的塑料帽。
Like the plastic tips on the ends of shoelaces, telomeres help to protect genes against wear and tear.
就像是在我们鞋带最末端的那一小块塑料一样。端粒可以帮助保护基因免于磨损或者是破裂。
To help you visualize them, they are often compared to the little plastic tips at the ends of shoelaces.
为了给人以感性认识，人们常把端粒比作鞋带二端的小塑料头。
Scientists liken their function to the plastic tips on the ends of shoelaces, and say that lifespan is linked to their length.
科学家将端粒的功能比作鞋带的塑料头，称寿命长短与端粒长短相关。
Each time a cell replicates itself (as it does before it dies), the telomeres shorten, like plastic tips fraying on the end of shoelaces.
细胞每复制自己一次(细胞在死亡之前都会如此)，其端粒就会缩短，就像鞋带的塑料头会磨损一样。
Telomerase is known to protect telomeres which stop the string of DNA unravelling much like the plastic tips at the ends of shoelaces stop fraying.
正如人们所了解的，端粒酶因其能够保护端粒，从而阻止DNA链的分离，就像鞋带末端的塑料能防止其受到磨损。
The telomeres, the tips of chromosomes, have been compared to the plastic tips on the ends of shoelaces, which prevent the lace from unraveling.
位于染色体末梢的端粒的作用可与鞋带末端的塑料头相比，后者能够使鞋带不松脱散开。
When these were injected into yeast, the DNA sequence protected the chromosomes when they were copied, just as the plastic tips at the ends of shoelaces stop them from fraying.
当这些微型染色体注入到酵母细胞中后，在细胞分裂时，这种CCCCAA的DNA序列在复制时对染色体起到了保护作用，就像鞋带末端的塑料帽对鞋带起到的防磨损作用。
Apply the treatment to the hair, from the roots to the tips, cover with a plastic cap or towel, and wait for 15 to 20 minutes.
用深层护发素从发尾处理到发梢，用浴帽或者毛巾包裹，保持15 - 20分钟。
Which is safer, glass or plastic? Here is some background on baby bottles plus some tips on.
到底哪个更安全？玻璃的还是塑料的？以下是有关奶瓶的背景知识，还加上些选择奶瓶的建议，让父母。
A kaleidoscope of 363 important aspects, tips and tricks in facial plastic surgery rounds up the presentation.
一个363个重要的方面，在面部的整形外寇里的建议和技巧的万花筒聚拢赠送。
A kaleidoscope of 363 important aspects, tips and tricks in facial plastic surgery rounds up the presentation.
一个363个重要的方面，在面部的整形外寇里的建议和技巧的万花筒聚拢赠送。
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