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带有电讯号的核糖体模拟教具的制作
高国粹;
宾阳中学
摘要:
高中《生物》第二章第四节(三)基因对性状的控制中“蛋白质的生物合成”,是书中重点难点之一。在教学实践中,我们制作了带有电讯号的核糖体模拟教具和一些图表,简单明了,化难为易。学生注意力集中,印象深刻,理解较透。课堂生动活泼,效果较好。此教具制作简单,材料易得,花钱不多,费时亦少,一般学校教师均可自制。制作方法如下: 材料:硬壳纸或薄木板或脲醛树脂塑料板均可。硬壳纸较轻、易作制,但易断裂、变
关键词:  脲醛树脂  塑料板  生物合成  给位  《生物》  基因对  脉醛树脂  反密码子  受位  三联体密码  
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