🧬ap biology review

TATA Box

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

The TATA box is a DNA sequence found in the promoter region of genes. It's crucial for the initiation of transcription, as it helps position RNA polymerase II.