上游充通大兽 2.There Are Three Common SHANGHAI JIAO TONG UNIVERSITY Types of Membrane Lipids Only small amounts of phosphatidate(磷脂酸)are present in membranes.However,the molecule is a key intermediate in the biosynthesis of the other phosphoglycerides(甘油a磷脂). -ooc HO CH3 HO. HO、 NH3+ NH3+ H2 H2 H2 *CH3 CH3 Serine Ethanolamine Choline 2 丝氨酸 乙醇胺 H OH OHH 胆碱 O OH HO. HO OH HO- -OH H2 H2 H H Glycerol Inositol 磷脂酸 甘油 肌醇 The common alcohol moieties of phosphoglycerides are the amino acid serine,ethanolamine(乙醇胺)，choline(胆碱)， glycerol(甘油)，and inositol(肌醇).The common alcohol moieties of phosphoglycerides are the amino acid serine, ethanolamine (乙醇胺), choline (胆碱), glycerol（甘油）, and inositol (肌醇). 2. There Are Three Common Types of Membrane Lipids Only smaIl amounts of phosphatidate (磷脂酸) are present in membranes. However, the molecule is a key intermediate in the biosynthesis of the other phosphoglycerides (甘油磷脂). 乙醇胺 胆碱 甘油 肌醇 丝氨酸 磷脂酸