在生物学教学中，遗传信息的表达是难点之一，而采用自制模型进行演示教学能收到良好的教学效果。本文介绍有关方法。１模型教具的制作１．１核糖体模型用一块木板（最好为３层板）做成核糖体样的形状（参见图１），其大小、规格可视具体情况而定。在做成的模型顶端钻一挂... In biology teaching, the expression of genetic information is one of the difficulties, while using self-made model for teaching demonstration can receive good teaching results. This article describes the method. 1 model teaching aids 1.1 ribosome model with a piece of wood (preferably 3 layers) made of ribosome-like shape (see Figure 1), the size, size may be subject to specific circumstances. Drill in the top of the model made of a ...