If you could look at these cells you could find differences between them, there are chemical differences in the content of each of these cells.

如果观察这些细胞,你就能发现这些差异,每个细胞内容物的化学成分,都会有一些不同

耶鲁公开课 - 生物医学工程探索课程节选

Now, the differences here may be subtle in terms of chemical composition or if you put these cells under a microscope and looked at their analysis.

干细胞与祖细胞化学成分的区别,还非常微小,除非你把细胞放在显微镜下,或者看细胞分析报告

耶鲁公开课 - 生物医学工程探索课程节选

We've learned how to identify and catalog cells according to the composition of proteins on the surface and those proteins that distinguish a cell are often called marker proteins.

我们学会了如何按照表面的蛋白成分,来识别并分类细胞,而这些用来区别细胞的蛋白,通常称为标记蛋白

耶鲁公开课 - 生物医学工程探索课程节选

I think most of you know something about the sort of architecture and normal structure of a cell and the components within it and the chapter, Chapter 5, has a good description of that for those of you want a refresher.

我想大部分同学都知道一些细胞的,结构组成和构成成分,想回顾一下的同学,可以看下第五章,描述的很详细

耶鲁公开课 - 生物医学工程探索课程节选

So presumably, these two cells have exactly the same DNA content, but something's been passed onto this one that wasn't there.

按照预计,这两个子细胞应该有完全相同的DNA,但某种成分传给了一个细胞而不是另一个

耶鲁公开课 - 生物医学工程探索课程节选