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The only thing I need to say in order to distinguish this particular part of the chemistry of a DNA or an RNA molecule is to say 'it's DNA or its RNA', and 'what the base is'.
想要区别DNA和RNA,这两种化学结构不同的核酸的话,我只要说明它是DNA还是RNA,它的碱基是什么就够了
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Dudley Herschbach, a Harvard chemistry professor who has a Nobel prize had this painting hung at one of the halls.
德利·赫施巴赫，一位哈佛化学教授,他曾获得诺贝尔奖并将这画,挂在了其中的一个大厅里。
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I love chemistry now. Be very careful what you say. Have any of you made that statement about hating a subject?
我现在很喜欢化学,所以你们说话的时候,可要小心咯？
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Just as, you know, you can make a lot of money with organic chemistry too.
就像,如果你懂有机化学,你也能赚很多钱
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Now this is the basis of a physical chemistry process called hybridization.
这正是所谓核酸分子杂交的,物理化学反应的基础
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So, normally at this point, we do actually start class with a little bit of history from alchemy to modern chemistry, but I decided to skip that this year.
通常在这个时候,我们要从一些从炼金术,到现代化学的历史出发正式开始我们的课程。
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These are actually all examples that we'll talk about in freshman chemistry at some point, as an example of a connection between a chemical principle we learn, and what we can know about how it functions.
作为联系一个我们,所学的化学原理,和我们能知道它，如何工作的例子。
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Naming doesn't always make sense in chemistry, so I like to point out this is a place where naming does make a lot of sense.
在化学里，命名的意义不总是有的，我要指出,这里的命名是很有意义的。
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And those of you who have had a lot of chemistry,for the first little while it's going to be a lot of review and you're going to get complacent. Don't do it.
对于那些之前学过很多化学的学生来说,这门课刚开始会有很多复习和回顾的内容,你们可能会有点自满，千万别那样。
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Avogadro was a professor of chemistry at the University of Turin who did a lot of work on gas laws, understanding the number of gas particles in a given volume at a given temperature.
阿伏加德罗是一个化学教授,在都灵大学,他做了很多关于气体定律的研究，了解气体微粒,在特定的容量和温度下的数目。
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In fact, there's a whole chemistry department full of loony chemistry professors.
实际上，整个化学系全是,狂热的化学教授。
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Can I get a show of hands, who is interested in organic chemistry?
对有机化学感兴趣的同学能举下手吗
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PROFESSOR: Okay, so before we get to some of these course policies, I think I'll tell you a little bit about my path to chemistry as well.
教授：好,在我们讲这门课的相关政策之前,我也先和你们说说我怎么走上化学的道路的。
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So, these are all the fundamentals that are involved in chemistry that relate to physical chemistry, organic chemistry, inorganic chemistry, biological chemistry, and are a solid foundation for studying any kind of life science.
所必须知道的最基本的化学知识,这些都是和物理化学,有机化学，无机化学，生物化学有关的基础知识,也是学任何生命科学的基础。
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Chemistry isn't a litany of facts.
并不是仅仅枯燥的事实的罗列。
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So if you're trying to make a more complicated organic molecule carbon-carbon bonds are one of the most difficult things to make in organic chemistry, and it turns out that c n minus is a very reactive molecule, so it's a good way, even though we'll go over some drawbacks in a second, it is a good way to make carbon-carbon bonds.
如果你要合成一个更复杂的有机分子,碳碳键是有机化学中,最难制造的键之一，而实际上氰离子是一种具有很高活性的分子，用它是一个好办法，尽管我们一会儿将看到它的一些缺点，但它的确是一个制造碳碳键的好方法。
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During the section times I'll be available if you feel like you want to read Chapters 2 and 4 and then come and ask questions, sort of a tutorial on these topics of chemistry and biochemistry, then I'll be available to talk about that during that time.
在小组讨论的时间里,你们可以来找我,如果你们学习完第二章和第四章之后,想问一些关于,化学和生化方面的问题,可以来找我,我会在那个时候给你们进行讲解
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You'll learn a lot more about this if you take organic chemistry, but, In fact, you can then go on and make a bunch of other different kinds of very interesting molecules.
如果你选了有机化学课，你会对它有更多的了解，但是，实际上，你可以继续制造出一堆,其它不同类型的有意思的分子。
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So, when I started in college, that wasn't even an option for me and I was interested in a lot of things, chemistry not being one.
因此当我来到大学时,在我所感兴趣的科目里,根本就没有化学。
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You spend a lot of time talking about the transition between alchemy and modern chemistry.
在高中化学你很多时间是花在,了解从炼金术到化学的改变上。
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But, you know, to me there's a lot of detail in organic chemistry.
但是,对我来说有机化学中有很多细节内容
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And there will be a little bit of history in there, but this is mostly modern chemistry and represents the basic properties of matter, and it's basic properties of all matter, including living matter, which was what really interested me, that connection between chemistry and biology.
它们都有一些历史，但都是最现代的化学,代表了物质的最基本的性质，而且是所有物质的最基本性质，包括生物，这个让我很感兴趣，因为它连接着化学和生物学。
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Some of them are changes in the - not the sequence of DNA, not the sequence of nucleotides in the DNA but the chemistry of DNA around that the way that it's packed into a nucleus.
某些改变不是发生在DNA序列上,不是在DNA的核苷酸序列上,而是发生在DNA包装进细胞核的,一系列化学变化中
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And I, like hopefully some of you in this room, discovered that chemistry was actually a lot of fun, and that the chemistry I got in college was pretty much nothing like the chemistry I had seen in high school.
这不是因为喜欢，而是被强迫的，但我希望在座的各位中,有人能发现化学的乐趣,大学学的化学课程和高中完全不一样。
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I have the freedom to pass that person because I like the trend. Suppose I have somebody else who came here with two years of chemistry in high school, got a 95 on the first test, 70 on the second test, failed the third test, failed the final, has an aggregate score of 48.
我能够选择让那人通过,因为我喜欢他的进步，假设另一个同学,学了2年的化学在高中,第一次测试得到95分，第二次70分，第三次没通过，期末考也没通过。
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My roommate for many years was going to medical school as I was going to graduate school, and we found we had so many interesting conversations about chemistry -- her from the context of practicing and using medications and talking about how they worked on a molecular level, and me talking about my research.
让你们读医学预科的人都转行,我多年的室友在我去读研究生的时候，去了医学院,我发现我们对于化学有过很多有趣的交谈,她会说如何应用药物,如何在分子层面上让它们工作，我则说关于我的研究。
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