🧬ap biology review

Transcriptional activator

Written by the Fiveable Content Team • Last updated August 2025

Verified for the 2027 exam

Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025

Definition

A protein that promotes the expression of specific genes by binding to regulatory DNA sequences; Pho4 functions as a transcriptional activator in the PHO pathway.

AP course connection

Topic 6.5: 6.5 Regulation of Gene Expression

Unit 6

Keep studying

Review this concept in 6.5 Regulation of Gene Expression AP Biology course hub

transcriptional activator cheat sheet for homework

visual study aid

"Transcriptional activator" also found in:

Guided Practice

Practice AP Biology questions