Cholesterol, triglycerides and phospholipids are insoluble in aqueous media and are transported in the plasma in the form of lipoproteins. Lipoproteins are composed of a core of esterified cholesterol and triglyceride surrounded by an external layer of phospholipid (and free cholesterol) and proteins. Five major groups of lipoproteins are recognized.
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Cholesterol is required for the formation of all of the following compounds EXCEPT:
Extra info: Bile acids, vitamin D and corticosteroids require cholesterol as precursor. Remember the steroid-skeleton.
Which lipoproteins carry the most cholesterol in the plasma? What is the right order of lipoproteins containing cholesterol in the plasma from high to low?
Extra info: Cholesterol is transported through the circulation in LDL (75%), HDL (20%), and VLDL (5 %).