Lexington, consolidated with Fayette County, is the second-largest city in Kentucky and the 61st largest in the United States. Known as the Horse Capital of the World, it is the heart of the state's Bluegrass region.
Effector. Definition. noun, plural: effectors. (biochemistry) A molecule that binds to a protein and affects the function of that protein. (physiology) An organ, a gland, or a muscle that can respond and becomes active in response to a stimulus (e.g. nerve impulse).upplement. In biochemistry, an effector is that molecule that binds to a specific protein, and regulates the latter's biological activity. An effector molecule acts as a ligand that is capable of increasing or decreasing the activity of that protein.
Effector molecule - a molecule that interacts with the repressor and affects the affinity of the repressor for the operator. With the above information, we can now predict the effect that various mutants will have on lac operon gene expression.