We're thinking about the particular antibody that binds to this antigen that you're exposed to.

现在,我们考虑一种特殊的,与你所接触的抗原相结合的抗体

耶鲁公开课 - 生物医学工程探索课程节选

So, these are receptors, for example, that bind the ligand and then liberate an enzyme which promotes some sort of reaction inside the cell, often it's kinases but doesn't have to be.

例如,这里是受体,与配体相结合,激活一种酶,这种酶能够催化细胞内的某些反应,这些酶通常都是激酶,但不全是

耶鲁公开课 - 生物医学工程探索课程节选