Question

Perform a lab activity to observe the nucleus in cheek cells and prepare a lab report .

Answer 1

Answer:

nutes remove any excess water and stain from the slide using a blotting paper.Take a few drops of glycerine using a dropper and add this to the test mixture.Take a clean cover slip and lower it carefully on the mixture with the aid of a needle.Using a brush and needle, press the cover slip gently to spread the epithelial cells.Remove any extra liquid around the cover slip using a blotting paper.Place this glass side on the stage of the compound microscope and view it.

Observations

A large number of flat and irregular-shaped cells are observed.The cells do not have a cell wall. However, each cell has a thin cell membrane.A deeply stained nucleus is observed at the centre of each cell.No prominent vacuoles are observed in the cells.

Conclusion

As the cells observed do not have a cell wall, nor a prominent vacuole, the cells of the specimen on the slide are animal cells.

Explanation:

Answer 2

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