上游充通大兽 SHANGHAI JIAO TONG UNIVERSITY 糖类的功能主要分为4种： First,carbohydrates serve as energy stores,fuels,and metabolic intermediates.储存能量 Second,ribose and deoxyribose sugars form part of the structural framework of RNA and DNA.遗传信息的物质基础 Third,polysaccharides are structural elements in the cell walls of bacteria and plants.生物体结构成分 Fourth,carbohydrates are linked to many proteins and lipids 形成糖类及脂类结构修饰，参与细胞通讯、细胞与环境物质的 相互作用等糖类的功能主要分为4种： First, carbohydrates serve as energy stores, fuels, and metabolic intermediates. 储存能量 Second, ribose and deoxyribose sugars form part of the structural framework of RNA and DNA. 遗传信息的物质基础 Third, polysaccharides are structural elements in the cell walls of bacteria and plants. 生物体结构成分 Fourth, carbohydrates are linked to many proteins and lipids 形成糖类及脂类结构修饰，参与细胞通讯、细胞与环境物质的 相互作用等