Labels:text | screenshot | black and white | black | font | document OCR: re in Lipoproteins are composed of a central c cholesterol which the more lipophilic components, om the esters and triglycerides, are sequestered f face aqueous environment of plasma by a su comprised of unesterified (free) choleste 6.2). These phospholipids, and apolipoproteins (Fig in the components exist in distinct proportion nitting different lipoprotein classes, thereby per ch as their separation by operational means s There is, ultracentrifugation and electrophoresis. hin each however, considerable heterogeneity wi s are found lipoprotein class. Several apolipoprotein having in the different lipoprotein classes, each ids for three major functions: structural; as liga receptors; and as enzyme cofactors,