The glycosylation of glycoconjugates and the biosynthesis of polysaccharides depend on nucleotide-sugars which are the substrates for glycosyltransferases. A large proportion of these enzymes are located within the lumen of the Golgi apparatus as well as the endoplasmic reticulum. while many of the nucleotide-sugars are synthesized in the cytosol. Thus. https://www.markymarkscott.com/product-category/6np/