All those things have to happen in an orderly fashion, in enough quantity in order for a particular cell to make a protein.

所有的步骤必须按部就班,保质保量地进行,让一个特定的细胞合成特定的蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

They do that because they can control the expression of genes.

它们能正确地合成蛋白,是因为它们可以调控基因的表达

耶鲁公开课 - 生物医学工程探索课程节选