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Cells are structural units that make up plants and animals. There are also many single celled organisms such as bacteria and amebas. 

Since cells are very small, we have to use microscopes in order to see their details. Another problem with cell observation is that many materials forming a cell are clear. We often need to use colorants that can help us to see cell membrane or other cell elements. 

Making a model of a cell is an educational activity that can help a student learn about the cell structure and transfer such knowledge to others as well. 

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