Introduction Lipids are compounds that can be extracted from cells by nonpolar organic solvents. Complex lipids are easily hydrolyzed. Long-chain esters called fatty acids. -Simple lipids are not easily hydrolyzed in acid or base. ·Steroids ·Prostaglandins ■Terpenes Chapter 25 2 Chapter 25 2 Introduction ▪ Lipids are compounds that can be extracted from cells by nonpolar organic solvents. ▪ Complex lipids are easily hydrolyzed. ▪ Long-chain esters called fatty acids. ▪ Simple lipids are not easily hydrolyzed in acid or base. ▪ Steroids ▪ Prostaglandins ▪ Terpenes