上降充通大 2.There Are Three Common Types of Membrane Lipids SHANGHAI JIAO TONG UNIVERSITY By definition,lipids are water-insoluble biomolecules that are highly soluble in organic solvents such as chloroform. 脂类是指不溶于水、但可溶于氯仿等有机溶剂中的化合物 Lipids have a variety of biological roles:they serve as fuel molecules(燃料分子)，highly concentrated energy stores,(储存能量)，signal molecules(信号分子)and messengers in signal-transduction pathways(信息载体)， and components of membranes(膜组成成分). 膜脂质童要有三美： 1.Phospholipids(磷脂) 2.Glycolipids(糖脂) 3.Cholesterol(胆固醇)膜脂质主要有三类： 1. Phospholipids (磷脂) 2. Glycolipids (糖脂) 3. Cholesterol (胆固醇) 2. There Are Three Common Types of Membrane Lipids By definition, lipids are water-insoluble biomolecules that are highly soluble in organic solvents such as chloroform. 脂类是指不溶于水、但可溶于氯仿等有机溶剂中的化合物 Lipids have a variety of biological roles: they serve as fuel molecules（燃料分子）, highly concentrated energy stores,（储存能量）， signal molecules （信号分子）and messengers in signal-transduction pathways（信息载体）, and components of membranes（膜组成成分）