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Question : Let us take a glass slide with a drop of water on it. Using an ice cream spoon gently scrape the inside surface of the cheek. Does any material get stuck on the spoon ? With the help of a needle we can transfer this material and spread it evenly on the glass slide kept ready for this. To colour the material we can put a drop of methylene blue solution on it.Now the material is ready for observation under microscope. Do not forget to put a cover-slip on it. What do we observe? What is the shape of the cells we see? |
| Answer» Solution :The CELLS of cheek SEEN under LOW power are round or oval. There is no cell wall. The prominent CENTRAL nucleus is seen. Cell membrane is seen in high power. | |