BIOL1001 Study Guide - Quiz Guide: Hmg-Coa Reductase, Ketone Bodies, Digestion
Document Summary
What type of bond forms in a triglyceride? an ester bond. Describe a fatty acid chain saturated (when has max number of hydrogen bonds) long and straight no double bonds. They contain double bonds which create a kink preventing the chain packing closely together so the bonds are easier to melt. A short lipid made in the liver from saturated fats. What is different about a phospholipid? one of the fatty acids is replaced by a negatively charged phosphate group. Functions of cholesterol essential component of eukaryotic cell membranes. Delivered to liver by chylomicron remnants: cholesterol from extra-hepatic tissues. Reverse cholesterol transport via hdl: de novo synthesis. Fates of hepatic cholesterol small amounts incorporated into hepatic membranes. Synthesis of cholesterol esters by acyl-coa-cholesterol acyl transferase (acat) A more hydrophobic form of cholesterol for transport and storage. Transport to extrahepatic tissues in vldl and ldl. Synthesis of bile salts to aid lipid digestion.
