Answer to Question #174588 in Biology for Bubblys

Question

Explain the difference between an activator and a repressor? In 3-4 sentence.

Answer 1

Transcription factors that increase the level of transcription are called activators. Repressors decrease the transcription rate. In most cases, activators recruit RNA polymerase to the promoter, while the repressor masks the promoter and inhibits the binding of RNA polymerase.