Now that's going to be important when we talk about making human gene - making human proteins inside alternate hosts like bacteria, that they can't do all the things that your cells can do.

这一步骤在我们谈到,利用像细菌那样的宿主,来生成人类蛋白时非常重要,因为细菌并不具备人类细胞的全部功能

耶鲁公开课 - 生物医学工程探索课程节选

Out of all the genes that are on the human genome which fraction is this particular cell using, which fraction is it expressing determines what proteins are present in the cell, determines what work or what activities the cell can engage in.

人类基因组全部基因中的,特定细胞所表达的基因片段,细胞表达的是哪段基因,决定了细胞中存在什么样的蛋白,决定了细胞会有什么样的功能,或者参与何种生命活动

耶鲁公开课 - 生物医学工程探索课程节选