The model also shows the structure of the cellular walls of gram-negative and gram-positive bacteria can help students conduct a complete teaching practice, effectively combining theory and practice, promoting the understanding of students and improving the quality ofTeaching is a rare tool for students to practice. The bacterial nuclear model shows a transversal cut of prokaryotic cells showing the typical flageling structure, inclusion bodies, plasmids and chromosomes. Rare help for your research and in -depth studies. It is a rare model to understand cellsProcaryotes. Educational tools: different colors are used to distinguish different positions, and the colors are lively and easy to attract the attention of students. As a result, you can explain the relevant knowledge to students through the model, which is the best auxiliary tool foryour teaching. This is a rare tool for students to carry out relevant practical work. PVC materials do not have to fear being broken by students, it will therefore be a good supplement to your supplieslaboratory. Ideal for the school education tool, learning and collector's display. It is made of environmentally friendly food -friendly materials, high quality prototype, handcrafted in a solid, not broken. Almost true damage to the structure of the cell meiosis model.12 Parts / set.