homodimer

例句：

1. 1. The DNA molecule is made up of two homodimers joined together by hydrogen bonds.
   DNA分子由两个通过氢键连接的同源二聚体组成。
2. 2.Homodimers are often used in genetic studies to investigate the function of specific genes.
   同源二聚体常用于遗传学研究中，以研究特定基因的功能。
3. 3.In this study, we found that homodimers play a crucial role in protein-protein interactions.
   在这项研究中，我们发现同源二聚体在蛋白质-蛋白质相互作用中起着至关重要的作用。