But the point is more about our knowledge today of human biochemistry, nutrition, and mechanics.

重点更在于我如今人体化学、营养学、力学了解。

Now, scientists aren't exactly sure about the biochemistry behind caffeine withdrawal.

现在，科学咖啡因脱瘾背后化学理论还无法完全确定。

Keller of Neu Cellars has a degree in biochemistry.

新酒窖凯勒拥有化学学位。

We do mostly understand the biochemistry of how pain signals get sent to the brain.

我确实大概了解疼痛信号是如何传递到大脑化学。

But advances in biochemistry have made the process even more fine tuned.

是化学进步使得这个过程更加精细。

John Price is a biochemistry professor at Brigham Young University in the U.S. state of Utah.

约翰·普赖斯（John Price）是美国犹他州杨伯翰大学化学系教授。

We've got MIMS, which is biochemistry.

我有 MIMS，也就是化学。

Neither was formally trained in biochemistry.

他两人都没有接受过正规化学方面训练。

Because of quirks of biochemistry we don't fully understand, nitrogen-14 tends to be excreted more than nitrogen-15.

由于我并不完全了解化学特性，氮14比氮15更容易被排出体外。

I'd like to go into the field of Biology, maybe cell biology, or genetics, or biochemistry, or really anything.

我想步入领域，也许关于细胞学或遗传学，或化学 或其他方面。

Doctor Dmitri Lopotko is a researcher at the department of biochemistry and cell biology at Rice University in Houston, Texas.

Dmitri Lopotko医是德州休斯顿莱斯大学化学和细胞学院研究人员。

Later he studied at Cornell University in Ithaca, New York and became an editor of that school's newspaper. Vonnegut studied biochemistry.

后来他在纽约伊萨卡岛康乃尔大学读书并成为了校报一名编辑。冯内古特学习化学。

My dad taught biochemistry for decades and was one of those beloved professors.

我爸爸教了数十年化学，是一位深受爱戴教授。

So I actually have a degree in art and biochemistry.

所以我实际上拥有艺术和化学学位。

It is a powerful way of visualising human biochemistry.

这是可视化人体化学有效方法。

I mean, she's a French major and I'm studying biochemistry.

我意思是，她是法语专业，而我学是化学。

She's studying biochemistry, while her friend is majoring in French.

她正在学习化学，而她朋友主修法语。

So let's just quickly return to our biochemistry.

让我迅速回顾一下化学。

And in biochemistry and enzymology, enzymes have to be able to undergo conformational changes, right?

在化学和酶学中， 酶必须能够发构象变化，吧？

You're the nutrition biochemistry guy, I'm the neuroscience guy.

你是营养化学专，我是神经科学专。