BIOC 300B Lecture Notes - Lecture 32: Sphingomyelin, Pyrophosphate, Safingol
6 Apr 2018
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Lecture 32: lipids, cholesterol and their synthesis supplementary information: de ne lipid and list the major kinds of membrane lipids. Lipids: a group of biological molecules that include fats, waxes, sterols, fat- soluble vitamins (a, d, e and k), monoglycerides, diglycerides, triglycerides, and phospholipids. Lipids are used to store energy, involved in signalling pathways, and act as structural components of cell membranes. Cholesterol is an important membrane fat, that can help to maintain membrane. Uidity: recognize the structures and the constituent parts of phospholipids, glycolipids and cholesterol. Phospholipids: precursor for many lipids = phosphatidate (simplest phosphoglyceride) Glycerol backbone, fatty acids, and a phosphate group. Cholesterol: steroid molecule (and precursor to all steroid molecules) that is composed of a 4 ring structure. In virtually all animal membranes to help maintain membrane uidity: describe the composition of glycolipids. Sugars are always orientated to the extracellular side: recognize the structure of cholesterol and explain the biological signi cance of this compound.
