高一生物人教版必修一知识点总结
【简介】下面是小编为大家整理的高一生物人教版必修一知识点总结(共17篇),仅供参考,喜欢可以收藏与分享哟!在此,感谢网友“fjfddt123”投稿本文! 第一节物质跨膜运输的实例 一、渗透作用 (1)渗透作用:指水分子(或其他溶剂分子)通过半透膜的扩散。 (2)发生渗透作用的条件: ①是具有半透膜 ②是半透膜两侧具有浓度差。 二、细胞的吸水和失水(原理:渗透作用) 1、动物细胞的吸水和失水 外界溶
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