They're everywhere in cells throughout your body and they are responsible for lots of the biochemistry of cell/cell interaction and signaling.

它们在身体各处的细胞中都有,并负责很多细胞间的相互作用,及信号转导的生化过程

耶鲁公开课 - 生物医学工程探索课程节选

It turns out when you give Aldopa to people, it gets converted biochemically into natural dopamine which then serves as its own agonist.

已经证明如果向人体中引入阿多巴,它就能通过生化过程转化为多巴胺,发挥激动剂作用

耶鲁公开课 - 生物医学工程探索课程节选