This is the role of structures called telomeres that cap the ends of chromosomes.

这就是盖住染色体各端的端粒结构的功能。

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Protect ends with capped self-locking washers incorporating a spring steel insert to ensure permanent retention of cap in exposed locations.

对外露端部的保护，可采用自锁螺帽加以弹簧垫，以确保螺帽持续牢固的预紧力。

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Infants who are exclusively breastfed early in life are more likely by age 4 or 5 to have longer telomeres, the protective bits of DNA that cap the ends of chromosomes in cells.

生命早期接受母乳喂养的婴儿在4、5岁时端粒(给细胞中染色体末端‘带帽’，用以保护DNA的片段)可能更长。

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Nigel Worthington has been making attempts to persuade the Derry-born player to switch his allegiance back to Northern Ireland and Staunton will hope that his awarding Gibson a first senior cap ends the controversy.

BBC: SPORT | Football | Internationals | Denmark 0-4 Republic of Ireland

This is the role of structures called telomeres that cap the ends of chromosomes.

ECONOMIST: Ageing

Although Chancellor George Osborne increased the bank levy in last week's Autumn Statement, the unions say the public sector is bearing the brunt of measures to rebalance the public finances with workers facing a new 1% cap on pay rises after the current two-year pay freeze ends in the Spring.

BBC: We will 'get tough' on excessive boardroom pay - Clegg