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ch. 15

Terms in this set (9)

- energy storage
- triglyercides
- cell membrane components
functions of lipids
lindeic
lindeic acid
- they must come from our diet
what are the two essential fatty acids? why are they called essential?
the greater level of unsaturation in the fatty acids = lower melting and boiling point of the molecules.
how are the physical properties of fats related to their degree of unsaturation?
made up of esters between a molecule of glyercol and 3 fatty acids
why are fats and oils classified as triglycerides?
Higher melting and boiling points and are solid at room temp
why is the hydrogenation of fats an important commercial reaction?
triglycerides are made from glycerol + 3FA's
phosphoglycerides have amino alcohol + backbone alcohol + phosphate group + FA's
how do phosphoglycerides differ from triglycerides?
don't use glyercol as a backbone alcohol and have a sugar component
how do glycolipids differ from phospholipids in composition?
basic steroid ring structure
Glucocorticoids like cortisol
mineralocorticoids like aldosterone
bile salts bind bile acids
important compounds that are synthesized from cholesterol
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