在进入分子时代的今天,高中生物实验“DNA粗提取和鉴定”已成为中学生物课中极为重要的一个实验。在课本中该实验步骤较为繁琐,耗时较长,所以,关于这个实验的改良版本不断地出现。如果用植物作为实验材料,破裂细胞 In the age of entering the molecular age, high school biological experiments “DNA coarse extraction and identification” have become an extremely important experiment in the middle school biology class. The experimental procedure in the textbook is cumbersome and takes a long time, so an improved version of this experiment is constantly appearing. If plants are used as experimental material, rupture cells