![]() ![]() Exist as both saturated and unsaturated FA.Monoglycerides (one FA esterified w/ glycerol).diglycerides (two FA esterified w/ glycerol).Triglycerides (three FA esterified with glycerol).Fatty Acids + Glycerol = FAT (an ester) first FA glycerol second FA third FA.Those with double bonds are usually in the cis isomer formation.Fatty Acids (FA) 1) Practically all straight chain with no branches 2)đ0 to 20 C in length 3)Ĝontain an even number of C The body builds FA from two carbon units of acetic acid (acetate ion).Acid part varies but is a “Fatty Acid” also called “glycerin” a typical “fatty acid”.Classified into four groups 1)ğats and waxes 2)Ĝomplex Lipids 3) Steroids 4) Prostaglandins.Secondary messengers like prostaglandins or thromboxanes.The structure of lipids makes them water repellent or hydrophobic.Because lipids are insoluble in water, they work well as membranes to separate compartments in the body.Fats produce 50% more energy per gram than carbohydrates.Some Energy storage is in the form of the carbohydrate glycogen – fast energy.Humans store Energy in the form of fats.
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