transcriptional activation

例句：

1. 1.Transcriptional activation is a key process in the regulation of gene expression.
   转录激活是调控基因表达的关键过程。
2. 2.The transcriptional activation domain is crucial for the function of many transcription factors.
   转录激活域对于许多转录因子的功能至关重要。
3. 3.In this study, we investigated the role of transcriptional activation in cancer progression.
   在这项研究中，我们探讨了转录激活在癌症进展中的作用。