MBIO 2360 Lecture Notes - Lecture 17: Covalent Bond, Diglyceride, Isopentenyl Pyrophosphate
1 Dec 2016
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Document Summary
0 refers to the number of double bonds. The first number refers to the location of the double bond. Properties of fatty acids: pka about 4. 5-5, at ph 7, the carboxyl group is deprotonated, melting point. Because fatty acids are amphipathic, in an aqueous environment, the hydrophobic components interact with each other and they hydrophilic component interacts with the water for form micelles: draw. Fatty acids are a component of many lipids. Two main types: storage lipids - neutral. How we store fat in the body - for energy: membrane lipids - polar. The simplest lipids constructed from fatty acids are the neutral triacylglycerol fats (also called triglycerides: these are esters of glycerol with fatty acids. Uses ester linkages: mono, di, and tri acylglycerols occur, but the most widespread are the triacylglycerols (3 fatty acyl units) R1 2 and 3 can all be the same.
