๐Ÿงฌap biology review

Promoter

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

A promoter is a region of DNA that initiates transcription of a particular gene. It's where RNA polymerase binds to start the transcription process.