second messenger hypothesis

例句：

1. 1. The discovery ofthe second messenger hypothesis has revolutionized ourunderstanding of how cells communicate with each other.
   发现第二信使假说已经彻底改变了我们对细胞如何相互交流的理解。
2. 2. The hypothesissuggests that a protein in the cell mightact as a "second messenger" totransmit signals between cells.
   该假说认为，细胞中的某种蛋白质可能充当“第二信使”，在细胞之间传递信号。
3. 3.The second messenger hypothesis has been tested invarious biological systems, and it has beenshown to be effective in some cases.
   第二信使假说已经在各种生物系统中进行了测试，并且在某些情况下已被证明是有效的。