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The test, also known as MRI, involves studying the magnetic signals from all the cells in the body.
VOA: special.2009.01.06
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These are sort of the cells, if you like, in memory that are holding the elements of the list.
记忆就像是数组中的元素,我们之前说的是，我在这里开始并且比较。
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Once you have a difference that occurs, two cells are difference, those differences can propagate as the cells continue to divide.
一旦产生差异,产生两个不同的细胞,这些差异会伴随着,细胞分裂过程代代相传
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Henrietta Lacks did not give her permission for the cells to be taken from her tumor.
VOA: special.2010.07.21
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So essentially, they regulate this action potential, and they do so by helping to establish and then control the voltage gradient within the cells.
总之本质上，它们负责调节动作电位,它们做到这一点通过协助制造,并控制细胞内的电位梯度。
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Mister Cooper says the substances build up in the cells of plants, animals and human beings.
VOA: special.2009.06.23
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They have nothing to do with the cells that are on your head, the hairs on your head. These are modified neurons.
这些细胞与脑细胞,不是一回事，与头发也没有任何关系而是改良后的神经元。
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"It reacts with that region, it inactivates the virus and the virus never has a chance to enter the cells that it would otherwise infect."
VOA: special.2010.07.14
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Because of the lack of oxygen getting to the cells, the cells are no longer able to carry on their various metabolic processes.
由于细胞中缺少氧气,所以细胞不能完成,它们的各种新陈代谢活动
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They found that a small amount of aspirin suppressed the way the cells form tubes.
VOA: special.2009.10.20
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That's why people are so excited about embryonic stem cells because in nature they become all the cells of the body.
这就是为什么胚胎干细胞如此让人激动,因为它的天然功能就是变成所有身体细胞
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He began giving the cells to researchers across the country, free of charge.
VOA: special.2010.07.21
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It has to have an origin of replication, which we talked about last time, which is compatible with the cells.
所以质粒必须带有复制起点,我们上次讲过,该起点要与受体细胞匹配
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The cells were taken from the cervix of a woman named Henrietta Lacks.
VOA: special.2010.07.21
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Has only half of the diploid chromosomal content that most of the cells, which are called somatic cells in our body have.
卵子中只含有我们机体一半的染色体,二倍体基因组中一半的染色体,这些二倍体细胞称为体细胞
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The cells slowly lose their ability to produce a chemical called dopamine.
VOA: special.2009.04.07
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So, they don't start killing all the cells in your respiratory system; they only kill the cells that are harboring the virus.
所以它们不会杀死所有呼吸系统内的细胞,只杀死那些被病毒感染的细胞
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And how the cells shutdown is they actually die Harris Perlman says a protein in healthy immune cells causes them to die after they attack an invading virus or bacteria.
VOA: special.2010.03.16
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The cells would be basically little reactors for generating lots of virus so you could make lots of virus to study.
这些细胞会变成增殖反应堆,从而产生大量病毒,由此可以得到大量供研究的病毒
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This means the cells can keep growing and reproducing indefinitely.
VOA: special.2010.07.21
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So, when there is extra glucose you want to put it into the cells that can use it immediately.
当有额外的糖分存在时,能迅速利用糖分的细胞就开始摄取糖分
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The cells created electricity by mixing hydrogen with oxygen.
VOA: special.2009.06.24
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The problem is the same, how do I get the gene that I want into only the cells that I want?
同样的问题又来了,怎样准确地,把目的基因只导入特定细胞呢
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As they do this, they destroy the cells.
VOA: special.2010.04.20
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You could potentially treat cystic fibrosis by providing the correct gene and providing it to all the cells of the lung epithelium.
一种可能的治愈方法是,把正确的基因,导入所有肺上皮细胞
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But the cells always died quickly.
VOA: special.2010.07.21
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This means the cells that are red here have all the information to form the major cell types of the inner ear.
这就是说，用红色标示的细胞具有构成,内耳主体细胞类型的全部信息。
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The researchers say the bacteria were grouped together in a thin, but sticky area of cells on the inside of showerheads.
VOA: special.2009.10.13
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Or it could be not having to do with the cells themselves but maybe the environment that the cell finds itself in.
这种不同也可能和细胞本身无关,而和细胞所处的环境的变化有关
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The cells of this surrounding sheet have become different in some way and they develop into the placenta and the extra embryonic tissues.
环抱在周围的这一层细胞,已经开始逐渐分化,最终成为胎盘,及额外的胚胎组织
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