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一、学情分析“DNA分子的结构”一节是苏教版必修二《遗传与进化》第四章第二节的内容,本节教学的要求有以下几点:说明DNA分子的基本单位;概述DNA分子双螺旋结构的主要特点;阐明碱基互补配对原则;收集DNA分子双螺旋结构模型的建立过程的资料,体验沃森和克里克的探索过程与互助合作的科学精神;制作DNA分子双螺旋结构模型。
First, academic analysis “DNA molecule structure ” section is the Supian version of the compulsory two “genetics and evolution” of the fourth quarter of the second section of the teaching requirements of the following points: Description of the basic DNA molecules Unit; summarize the main features of the double helix structure of DNA molecules; clarify the principle of base complementary pairing; collect information on the establishment process of double helix structure model of DNA molecules; experience Watson and Crick’s exploration process and the scientific spirit of mutual cooperation; DNA molecule double helix structure model