It does so because there are some molecules in the surface of the membrane that allow glucose to move in and out.

而这个过程的完成依赖于,膜表面存在的一些分子,这些分子能够将葡萄糖运进或者运出细胞

耶鲁公开课 - 生物医学工程探索课程节选

because when you're up on that point, you see anything that's in the water, anything close to the surface and,

因为当你站在那里的高处，你能看到贴近水面的一切，而且，

圣莫尼卡之景点 - SpeakingMax英语口语达人

The one that's on the top here is called ligand-gated ion channel and an ion channel is a protein that sits in the surface of a cell.

最上面的这个叫作配体门控离子通道,离子通道是一类位于细胞表面的蛋白

耶鲁公开课 - 生物医学工程探索课程节选

That is the lowest point on the earth's land surface so this dramatic drop in just a very short geographical area.

这是地球陆地表面的最低点,这急剧下降是在很短的地理范围内。

耶鲁公开课 - 旧约导论课程节选

Well, the ones in director light must not be so reflective but be kind of of dark surface.

然而，直接处于光线之下的瓷片不会如此反光,它们的表面较暗。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

And the myth has to do with these sort of pictures I was just describing where we don't actually live on the surface of the Earth of in the light, but rather live in certain hollows in the dark where we're mistaken about the nature of reality.

那个传说与我一直形容的,这个大局有关,我们并不真正生活在地表,生活在阳光里,而是生活在某种暗无天日的黑洞中,一个我们都误解了现实本质的地方

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There's another whole family of molecules that sit in the surface.

在细胞膜上还存在着另一类分子

耶鲁公开课 - 生物医学工程探索课程节选

Now, in the heart action potential is moving from one heart muscle cell to another over the surface of the heart.

心脏中的动作电位,沿相邻心肌细胞在心脏表面传递

耶鲁公开课 - 生物医学工程探索课程节选

They might ingest extracellular antigen, presented pieces of it on their cell surface in the context of MHC-2.

它们可以吞噬胞外抗原,根据细胞表面的,主要组织相容性抗原-2

耶鲁公开课 - 生物医学工程探索课程节选

In some senses most of the cells in our body are stuck to a surface.

大部分情况下,我们体内的细胞都黏联在某个表面上

耶鲁公开课 - 生物医学工程探索课程节选

And shortly thereafter this thickening of the outer surface is dimpling in, its invaginating.

增厚的外胚层很快就,向内凹陷。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

This is a new concept, receptors don't have to be these molecules on cell surface, there can be receptors that exist in other places within the cell.

这是一个新概念,受体分子不一定只存在于细胞表面,它们也可以存在于细胞内其它地方

耶鲁公开课 - 生物医学工程探索课程节选

So, it doesn't need to bind to a receptor on the surface of the cell in order to work because the molecule can actually enter the cell directly.

所以无需与细胞表面受体相结合来起效,因为这些分子能直接进入细胞

耶鲁公开课 - 生物医学工程探索课程节选

It's firmly adherent to the surface here, it's firmly adherent at the back here, and in between its trying to pull these ends closer together, you can imagine that that's what it's doing, and in fact, that's one of the functions of fibroblasts.

它紧紧地粘附在表面这儿,又紧密的粘附在后面这儿,试着在中间将创口两端拉紧到一起,你可以想象一下这个场面,事实上,这只是成纤维细胞的功能之一

耶鲁公开课 - 生物医学工程探索课程节选

So, if you look in the blood of patients that are infected with Hepatitis B you find a lot of Hepatitis B surface subunits, proteins without the nucleic acid circulating in their blood.

因此,如果你观察一下,已经感染乙肝病毒患者的血液,你会发现许多乙肝病毒的表面亚基,以及血液循环中存在没有核酸的蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

So, they developed this bifurcated tool, which would be appl--you'd put the stuff on the surface of the tool and then you'd scratch the skin in a certain way so that you could produce sort of a reproducible introduction of the vaccine into the skin.

所以他们发明了一种分为两叉的工具,把疫苗抹在这种工具表面上,然后以某种方式在皮肤上刮,这样就能将疫苗,重复不断地引入到皮下

耶鲁公开课 - 生物医学工程探索课程节选