Concept
Version 5
Created by Boundless
Attenuation

Attenuation of the Tryptophan Operon
An example of attenuation is the tryptophan operon. This schematic represents transcriptional-attenuation as the formation of mRNA stem-loops prevents the continuance of transcription based on the levels of tryptophan in the metabolic environment.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"File:Trp operon attenuation.svg - Wikipedia, the free encyclopedia."
http://en.wikipedia.org/w/index.php?title=File:Trp_operon_attenuation.svg&page=1
Wikipedia
CC BY-SA.