BCHE 395-15 2014 Lipids

Major component of other lipids b synthe9c detergents

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: charged at physiological pH •  Lipids associate through noncovalent interac9ons –  They clump together in aqueous soluXon driven by entropy (ΔSé༎), the hydrophobic effect, and van der Waals forces between nonpolar tails –  Polar heads tend to associate with water •  Lipids are amphipathic –  Both hydrophobic and hydrophilic properXes Hydrophobic tail Biological Lipids •  When lipids are dissolved in water, form a monolayer •  When agitated, they form micelles or bilayer vesicles Lipid ClassificaXon •  A.) FaBy Acids: Carboxylic acids w/long chain hydrocarbons. Major component of other lipids –  b.) Synthe9c detergents •  Energy Storage •  C.) Waxes (water repellents) •  D.) Triacylglycerols: Fa"y acid triesters of glycerol. Fats and oils •  Structural Components of Membranes •  E.) Glycerophospholipids: Major lipid component of biological membranes •  F.) Sphingolipids: Membrane components, many contain sugars, involved in cell recogniXon •  G.) Sterols: Structural membrane lipids, steroid hormones (signaling) A.) Free Fa"y Acids •  Building blocks of natural lipids •  Carboxylic acids with hydrocar...
View Full Document

This note was uploaded on 03/02/2014 for the course BIOCHEMIST 395 taught by Professor Potenza during the Spring '14 term at NMSU.

Ask a homework question - tutors are online