Respuesta :
The protein that binds to the activation domain of the activator protein, ultimately blocking transcription in the absence of galactose, is called GalR.
What is Galactose?
Galactose is a type of sugar found in milk and other dairy products. It is a monosaccharide sugar, which means it is a single sugar molecule, and it is one of the three main monosaccharides found in nature. Galactose is metabolized in the body along with glucose and fructose and is used in several metabolic pathways. Galactose is essential for the metabolism of some lipids and for the synthesis of certain glycoproteins.
What is GalR?
GalR is a member of the family of G protein-coupled receptors (GPCRs) that are involved in sensing and responding to changes in the concentrations of galactose in the environment. GalR is found in bacteria, fungi, and some higher organisms such as plants and animals. It is involved in the regulation of several metabolic processes, including the transport and metabolism of galactose. GalR is also known to be involved in the regulation of several developmental processes, such as spore formation in yeast, and the regulation of cell differentiation and development in higher organisms.
GalR is a repressor protein that binds to the Gal4 activator and prevents it from binding to the promoter region of the gene and initiating transcription.
To know more about Galactose,
LINK- https://brainly.com/question/24714386
CODE- #SPJ4
