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QuestionBiology

What is the main function of a promoter?
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Step 1
I'll solve this problem by explaining the main function of a promoter in molecular biology:

Step 2
: Definition of a Promoter

A promoter is a specific DNA sequence located near the beginning of a gene that plays a crucial role in gene expression. It serves as a critical regulatory region where RNA polymerase and other transcription factors bind to initiate transcription.

Final Answer

The main function of a promoter is to regulate gene expression by providing a specific DNA sequence where RNA polymerase and transcription factors can bind to initiate the process of transcription.