Why is regulating transcription the main way that cells control gene expression?

Question

Quizplus · Accepted Answer

Regulating transcription is the main way that cells control gene expression because transcription is the first step in gene expression. By stopping at transcription, the cell can reduce the amount of energy and resources used by producing unnecessary gene products. This ensures that the cell produces only the required proteins, thereby saving the resources that would otherwise have been spent in synthesizing non-essential proteins. Moreover, controlling gene expression at the transcriptional level is more efficient than controlling gene expression at later stages, such as translation or post-translational modification.

Why Is Regulating Transcription the Main Way That Cells Control