homomolecular protein

例句：

1. 1. Homologous genes are those that have the same DNA sequence as their counterparts in other species.
   同源基因是指与其他物种的相应基因具有相同DNA序列的基因。
2. 2.The discovery of homologous sequences in different organisms has led to a better understanding of evolution.
   在不同生物体中发现同源序列，有助于我们更好地理解进化。
3. 3. Homologous proteins play important roles in various biological processes.
   同源蛋白质在各种生物过程中发挥着重要作用。