One way is to allow these bacteria to grow on a plate that is loaded with antibiotics like Ampicillin.

一种方法,是让这些细菌,在有大量抗生素如氨苄青霉素,的培养基上生长

耶鲁公开课 - 生物医学工程探索课程节选

Now how do you find those colonies on a plate that have the plasmid that you want?

那我们如何辨别培养基上的哪些菌落,有我们需要的质粒呢

耶鲁公开课 - 生物医学工程探索课程节选

So we actually had the foods on a plate or in a bowl, or in a glass, and we had--we asked them to estimate how much of the food there was, how many ounces they were seeing, and then how many calories there were.

食物被摆在盘子,碗,玻璃杯中,然后让他们估计食物总量,有多少盎司,多少卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That's shown in this diagram as little colonies of bacteria that are growing on a plate.

图示上显示的是生长在培养基上的,一些菌落

耶鲁公开课 - 生物医学工程探索课程节选

If we grew these cells on a plate loaded with Ampicillin and we could select cells that have Ampicillin resistance, and this process of selection and cell culture is very important and we'll talk about it more next week.

如果我们在含有氨苄青霉素的,培养基上培养细胞,我们可以筛选出,对氨苄青霉素有抗性的细胞,这个筛选和培养细胞的过程是很重要的,我们下星期会讲到这些

耶鲁公开课 - 生物医学工程探索课程节选