BCH4024 060925 OC Su25 E1 Q49: A major component of the cell…

BCH4024 060925 OC Su25 E1 Q49: A major component of the cell is the cell membrane, composed of four main class of lipids (phospholipids, glycolipids, archeal ether lipids and sterols). Each class is further categorized into subclasses. Which lipid class is characterized by the absence of both glycerol and phosphate in its structure but contains an amino alcohol?