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They might be 100 nanometers or so in diameter, whereas, a cell is ten microns or so in diameter.
直径只有一百纳米左右,而一个细胞的直径是十微米左右
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But from what I know, generally the more religious groups tend to be opposed to stem cell research,
但是一般来说，就我所知越是反对干细胞研究的人，
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It was a gene that was causing a cell to be malignant and to divide without control, for example.
例如,一个会使细胞恶化,并不受控制地无限分裂的基因
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The answer is, "It's not like anything," where that doesn't mean there's something that it's like to be a cell phone, but different from being anything else.
答案就是，什么感觉都不像“,那不是说,作为手机真的有一种感觉，只是和作为其他东西的感觉。
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So, for example, in an electrochemical cell, it would be possible to take the sodium ion, give back its electron, and convert it into a metallic sodium, take the chloride ion, remove its electron, and restore chlorine gas.
所以，例如一个电化学的电池，它可能带有钠离子，让它得到电子，把它变成金属钠，得到氯离子，让它失去电子，作为氯气储存。
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Raul, there was recently a study done about cell phone use by a driver when people are driving a car, and there was a debate whether that should be banned.
劳尔，最近有一项,关于司机开车时使用手机的研究，关于是否应该禁止此行为，有一场争论。
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And the nucleus name was used as an analogy to the nucleus of a cell so in some ways that makes it easier to see the connection but I think it can also be a little bit confusing for maybe 7th graders that are learning both at the same time, that this nucleus acts very different from a nucleus in a cell, although, of course, there many of them in the nucleus of a cell.
原子核这个名字的命名,是类似于细胞核,这样会让人们更容易看到两者之间的联系,但我觉得这样可能,会给正在学这两个课程的,7年级学生带来困惑，原子核的行为,和细胞核完全不同，虽然在细胞核。
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This conversion from a mechanical energy into a chemical energy can be nicely visualized when one fills a hair cell with a sensitive die that responds to the calcium ions that influx into the cell.
如果在毛细胞中注入,对钙离子敏感的物质,可以精确地模拟,这一机械能到化学能的转化过程。
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It can be very stressful especially because we don't get cell phone reception down there.
这可以使人很紧张，尤其是因为在地铁站我们的手机没信号。
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So, we approached this machine here, the photograph is a little blurry, but it was very clear to us but if you zoom in on the screen and apologies for the reflections, again, this was just taken with my cell phone, you see what appear to be three huge buttons and at the top it said something like have a Charlie Card, which may very well apply to a lot of locals.
所以，我们走近这个机器，这个照片有点模糊，但对于我们来说是清楚地,如果我把它在屏幕上放大，我对这个影像感到抱歉,但是，这是用我的手机拍的,你们可以看到这里上面有三个很大的按钮,写了一些关于Charlie卡片的东西，对本地人来说是相当熟悉的。
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So, this pathway might not be the only one that's being activated inside the cell at any given time.
因此,任一时刻细胞内,激活的信号通路不只是一条
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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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It has to be small, and it has to be lipid soluble in order for it to pass through a cell membrane.
这些分子必须非常小,而且必须是脂溶性的,才能穿过细胞膜
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Suppose I ask, "What's it like to be this cell phone?"
假设我问，作为一个手机会像是什么感觉“
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In fact, there are differences that can be detected upon the first cell division where this zygote divides through the process of mitosis.
事实上,受精卵在进行,第一次有丝分裂时,就会产生差异
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This cell can only be an effective barrier if there's no way to get past it.
这些细胞只有密不透风,才足以形成一道屏障
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What if this is a gene that's causing a cell to be cancerous?
但假如是个能导致细胞癌变的基因呢
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If cells were actively proliferating, that is you had a population of cells that are actively proliferating, they would be going through continuous rounds of the cell cycle.
如果细胞处在活跃增殖状态,就是说有一定数量的,细胞具有增殖活性,它们就会连续地经历细胞周期的各个阶段
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The notion is, if there's something foreign that's being produced inside this cell, then that cell must have been corrupted in some way and it has to be gotten rid of.
免疫反应的规矩是这样的,如果某些外源物在你细胞内产生,那说明这个细胞的某些地方,已经被损害了所以必须被清除掉
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Ok, today we're going to continue our discussion of cellular principles and lead into cell culture technology which will be the subject of the section meeting this afternoon, so just to remind you about the sections.
今天我们继续讨论细胞学原理,之后再引申到细胞培养技术,这也是我们今天下午分组讨论会的主题,顺便提醒一句,下午有组会
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That would be - you could have a cell that did that but that would be cell that could only send one signal.
那样就会,你的细胞可以发出信号,但这个细胞只能发出一次信号
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And I put this to Voytek, what dollar figure should be put on human life to decide whether to ban the use of cell phones?
我也问过佛伊泰克，在决定是否禁止使用手机这件事时,人命应该如何定价？
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There is nothing that it's like on the inside to be a cell phone.
手机的体内,是没有感觉的。
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It can be used given to people to who have certain kinds of anemia to stimulate blood cell production in a specific kind of way.
它能够用于那些,罹患某种贫血的人群,来以特定的方式刺激红细胞生成
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