Restriction enzymes are just a kind of enzyme, enzymes are protein molecules that make a chemical reaction go faster, and the chemical reaction that restriction enzymes do is cutting DNA.

限制性内切酶是一种酶,而酶是加速化学反应的蛋白质分子,限制性内切酶加速的化学反应,是切割DNA

耶鲁公开课 - 生物医学工程探索课程节选

And we can go up to much much faster rate.

我们可以将速度提升得更快。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Now, again, we go through these faster then you can write, and as you all know, the lecture notes are posted on the website, so if you need to go back and refresh your memory on these things you can.

现在我们再快速的过一遍以便大家记录,而且你们都知道,课堂笔记都挂在网上,所以如果你们需要温习,加强记忆,你们可以看看笔记

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If another receptor operating from a different ligand does the same thing, generates an enzyme which causes cyclic AMP to increase, the rate of cyclic AMP increase is going to go up faster than if only one of these was activated.

如果受另一种配体激活的受体,能够完成相同的过程,即激活一种能够促进cAMP生成的酶,cAMP的生成速率会比,只有其中之一被激活时更加快

耶鲁公开课 - 生物医学工程探索课程节选