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Home > All Images > 2001 > December > 11 Dec 2001

Images Dated 11th December 2001

Choose from 18 pictures in our Images Dated 11th December 2001 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Cholesterol Featured 11 Dec 2001 Print


Cholesterol. Surface maps (wire-frame and colour-coded) of the electrostatic potential around a cholesterol molecule (C27. H46.O). Orange areas are due to carbon atoms, yellow areas due to hydrogen atoms, and the red area (lower left) is due to the oxygen atom. Cholesterol is a lipid, a fat-like substance, though chemically it is a sterol, a type of alcohol. It is an important cell chemical, and plays a crucial role in the synthesis of bile salts and hormones, and in transporting fats in the bloodstream. High blood levels of cholesterol are thought to raise the risk of atherosclerosis, the build-up of fatty deposits on artery walls. This is a major cause of heart attack and stroke