Because telomeres protect the ends of chromosomes to stop cells dividing.
因为端粒保护染色体末端，阻止细胞分裂。
The scientists' findings suggest that these bats' cells have the ability to keep and repair their telomeres.
科学家的发现表明，这些蝙蝠的细胞有能力保持和修复它们的端粒。
It seems that, by looking at the length of the telomeres on specific Chromosomes, we can actually predict pretty much how long certain cells can successfully go on dividing.
看起来，当通过观察特定染色体上的端粒长度，我们实际上可以预测某些细胞能够成功分裂多久。
So after each division, the telomeres get shorter and one of the things that may happen after a while is that pieces of the genes themselves get broken off the Chromosomes.
每次分裂后，端粒变短一段时间后可能发生的一件事是染色体上的基因片段会断裂。
Telomerase is the enzyme that builds telomeres.
而端粒酶顾名思义，就是生成端粒的那种酶。
People with shorter telomeres are thought to age faster.
一般认为，端粒短的人老得更快。
Telomerase is an enzyme that can rebuild and lengthen telomeres.
端粒末端转移酶是一种可以重建并且延展端粒的酶。
Telomeres are important – there is no question of that," he said.
毋庸置疑——端粒是相当重要的。
Longer telomeres indicate low levels of inflammation, he explained.
他解释说，更长的端粒代表了更低水平的炎症。
Successful cancers often have a special enzyme that repairs telomeres.
活跃的肿瘤常常有一种特殊的酶来修复端粒。
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。
Scientists have yet to study whether telomeres influence a person's appearance.
科学家还将研究端粒是否会影响人的外表。
The researchers called the genetic caps "telomeres", from the Greek for "end part".
他们将这些遗传保护帽称为“端粒”（telomere，这一英文单词来自希腊语，意谓末端）。
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。
This means they are born with shorter telomeres, and so are prone to ageing more quickly.
这意味着，这些人在出生时端粒就比较短，所以更容易衰老。
Each time a cell divides, its telomeres shortens and the cell becomes more susceptible to dying.
每当一个细胞分解，它的端粒就会缩短，而细胞就变得更为易于死亡。
Other research suggests that meditation or other forms of stress reduction may lengthen telomeres.
其他研究显示，冥想或者其他减压形式会增大端粒长度。
When the telomeres become very short, the cell starts to malfunction and show signs of ageing.
当端粒变得非常短时，细胞就无法正常工作，会显现衰老的征兆。
This showed that exercise has a similar effect to counselling on the telomeres of the stressed.
她们发现锻炼和咨询对压力个体的端粒有相似的作用。
Telomere length tends to shorten with age, and shorter telomeres tend to be linked with shorter life spans.
端粒的长度与寿命的长短有关，染色体端粒越短，它所在的生命跨度也就越短。
The Telomeres tend to become shorter over a person's lifetime, indicating the speed of the ageing process.
染色体端粒随着一个人的生命的延续趋于变短，这显示了老化过程的速度。
Shortened telomeres have been linked to a host of age-related illnesses such as heart disease and certain cancers.
而缩短的端粒与许多同衰老有关的疾病如心脏病和某些癌症有关。
The team also found that the protective "caps" on the animals' chromosomes, called telomeres, showed less deterioration.
研究小组还发现动物的染色体上有『保护套』(caps)，称作端粒，显示出些许变质。
The team also found that the protective "caps" on the animals' chromosomes, called telomeres, showed less deterioration.
研究小组还发现动物的染色体上有『保护套』(caps)，称作端粒，显示出些许变质。
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