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《DNA的结构》课件,“开膛手杰克案”情境

  • 2026-04-04 09:02:13
《DNA的结构》课件,“开膛手杰克案”情境

《DNA的结构》课件，“开膛手杰克案”情境

适用年级和教材版本：生物必修二玩课课件

🎀【课件内容介绍】

本课件以百年悬案 “开膛手杰克”为趣味情境导入，紧扣人教版生物必修 2 核心内容，带领学生沉浸式还原DNA 双螺旋结构的发现历程。

课件以科学史为主线、模型建构为核心，层层拆解脱氧核苷酸组成、单链连接方式、双链反向平行、碱基互补配对等重难点，将抽象的分子结构转化为可动手、可推理、可理解的直观知识。

👉【课件获取方式】
点我购买：高中生物必修二玩课课件
点我购买：《DNA的结构》单个课件

#DNA的结构#课件#必修二#备课#情境#公开课

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【课件】幽门螺杆菌检测:C13和C14呼气试验到底怎么选

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  1. CONNECT:[ UseTime:0.001199s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001891s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002978s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000710s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001379s ]
  6. SELECT * FROM `set` [ RunTime:0.000623s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001510s ]
  8. SELECT * FROM `article` WHERE `id` = 487530 LIMIT 1 [ RunTime:0.001050s ]
  9. UPDATE `article` SET `lasttime` = 1775824343 WHERE `id` = 487530 [ RunTime:0.026785s ]
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0.219795s