It can't enter cells because it's too big and it's too water soluble so it can't go through cell membranes.
它的分子太大了所以无法进入细胞,而且还是水溶性的,所以它也无法穿过细胞膜
As soon as the available size goes to 0, I know I can't enter any more items into the memo, right?
一旦可装大小为0时我就知道,我不能再在memo中添加物品了?
So, they bind to the receptor - they occupy the receptor so now the natural ligand can't enter it but they don't create the same sequence of biochemical events.
因此,它们与受体结合,它们占据了受体,这样配体就进不来了,但这种结合无法诱发,真正的配体所能诱发的生化反应
Do you think I should neck or not? I shall not enter the kingdom of heaven anyway so I don't see what difference it makes.'" And then she writes back, Mary Brittle: "Dear Sabbath: Light necking is acceptable, but I think your real problem is one of adjustment to the modern world.
你认为我是该做还是不该做,我反正都上不了天堂了,因此,我认为做不做都无所谓,之后她给她回信了,玛丽-巴瑞特,亲爱的萨巴斯,你的做法是可接受的,但我认为,你真正的问题是无法融入现代社会。
Here you've got a red light which doesn't seem to enter into this sense of the arbitrary and differential.
这里,红灯看起来并没有,任意性和差异性。
This means the Israelites will have to wander for 40 years in the desert until all of those who left Egypt as adults pass away, leaving a new generation that hasn't really tasted slavery, to enter the land and form a new nation.
这意味着,犹太人必须在沙漠中流浪40年,直到所有一起出埃及的人过世,留下没有做过奴隶的,新一代人,进入应许之地,建立一个新的国家。
Of course, if you have cereal with milk, then you've got to enter the milk as well because it wasn't just the cereal that you had.
当然,如果你吃了牛奶泡谷物,你还需要输入牛奶,因为你不仅吃了谷物
They don't give those up. We don't give those up when we enter government.
加入政府时,我们可并未放弃这些权利。
So, don't fail to enter.
因此别不来参加。
Now, a virus is not capable of reproducing on its own, so if you got a virus into your body somehow and it didn't enter any of your cells, it would cause no damage because it could not reproduce.
病毒自身并不能繁殖,所以如果你的身体感染了病毒,而病毒没有进入细胞的话,因其不能繁殖所以不会对身体造成伤害
Formaldehyde cross-links proteins, so, if you treated this virus with Formaldehyde, even it was able to enter a cell, it couldn't break down anymore.
甲醛使蛋白质发生交联反应,因此,如果你对病毒使用了甲醛,即使它可以侵入细胞,它也不能够再进行分解
If a cell membrane was indeed just a lipid bilayer, then glucose could never enter the cell because it can't permeate through cell membranes.
如果细胞膜只是一个脂质双分子层的话,葡萄糖就不可能进入细胞,因为它不能渗透过细胞膜
And again, if I just run this, just to show that it's going to do the right thing, it says enter base, I'm obnoxious, it says oops, wasn't a float, so we'll be nice about it and I enter a height, and it prints out what I expected. I just concatenated those strings together, by the way, at the end.
我再来运行下看是不是做对了,提示输入底,噢,它提示说不是浮点数,我很高兴,然后我输入一个,浮点数作为高度显示结果和我预期的相同,顺便说一句,我只是在最后把这些字符串连接起来了。
Like if you're one of the people who hasn't been writing down things as you go along, and then you enter things at the end of the day, and I suspect that's the majority of you, you may have entered things into your record and then later gone and said, oh I forgot, I had this thing!
比如你是这些人之一,没有及时记下自己做的事情,在一天结束时你要提交信息了,我猜你们中的大部分,输入自己的信息,之后可能会发现,我忘了,还有这个
We talked about this a little bit in section last week, when you eat vegetables or meat, you're eating a lot of DNA but that doesn't enter the cells of your body because of the barrier properties of cell membranes.
这个我们上周讨论会讲过一些,我们在吃蔬菜或者肉类时,摄入了大量DNA,它们之所以不会进入你的体细胞,就是由于细胞膜的这种屏障作用
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