This is a signal - this passing of phosphorous - is a signal that's used very frequently in intracellular communication.

这是一种信号,一种通过磷酸来传递的信号,这种信号在细胞内通讯时经常被用到

耶鲁公开课 - 生物医学工程探索课程节选

That's what's illustrated here with the end result being that there's some change in the life of the cell.

这里显示的是,在信号放大传递后,细胞内发生的变化

耶鲁公开课 - 生物医学工程探索课程节选

It indicates how information flows in cells and indicates a lot about the work that a cell does in maintaining and recreating itself, and maintaining its environment.

这个图展示了信息如何在细胞内传递,以及细胞,在维持 复制自身,和维持其周围环境所需起的作用

耶鲁公开课 - 生物医学工程探索课程节选