| 单词 | 大分子 |
| 释义 | 〔biopolymer〕A macromolecule, such as a protein or nucleic acid, that is formed in a living organism.生物聚合物：生物体内形成的大分子，如蛋白质或核酸〔macromolecule〕A very large molecule, such as a polymer or protein, consisting of many smaller structural units linked together. Also called supermolecule 大分子：一种很大的分子，如聚合物或蛋白质，由许多小的结构单位结合而成 也作 supermolecule〔dialysis〕The separation of smaller molecules from larger molecules or of dissolved substances from colloidal particles in a solution by selective diffusion through a semipermeable membrane.渗析：借助半透膜通过有选择的扩散把较小分子从大分子中的分离，或者把溶解的物质从溶液胶态颗粒中的分离〔protein〕Any of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of one or more chains of amino acids. Proteins are fundamental components of all living cells and include many substances, such as enzymes, hormones, and antibodies, that are necessary for the proper functioning of an organism. They are essential in the diet of animals for the growth and repair of tissue and can be obtained from foods such as meat, fish, eggs, milk, and legumes.蛋白质：一种复杂的有机体大分子的组合，含有碳、氢、氧、氮，通常还有硫，由一个或多个氨基酸链构成蛋白质，是所有生命细胞的基本组成部分，它包含许多物质，比如酶、荷尔蒙和抗体，这些物质都是有机体正常活动所必需的，蛋白质是动物膳食的必需成份，对成长和组织发育至关重要，它可从肉类鱼、鸡蛋、牛奶和豆类食品中的摄取 |
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