write an experiment of the nucleus in cheek cells
Answers
Answered by
222
To Prepare Stained Temporary Mount of Human Cheek Cells
Materials Required

Real Lab Procedure
Gently scrape the inner side of the cheek using a toothpick, which will collect some cheek cells.Place the cells on a glass slide that has water on it.Mix the water and the cheek cells using a needle and spread them.Take a few drops of Methylene blue solution using a dropper and add this to the mixture on the slide.After 2-3 minutes 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.
Materials Required

Real Lab Procedure
Gently scrape the inner side of the cheek using a toothpick, which will collect some cheek cells.Place the cells on a glass slide that has water on it.Mix the water and the cheek cells using a needle and spread them.Take a few drops of Methylene blue solution using a dropper and add this to the mixture on the slide.After 2-3 minutes 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.
paira:
hii
hope it will help u
thanks
wlcm
Answered by
166
Aim:nucleus in cheek cell. Apparatus : toot pic, glass slide , saffranin or methylene blue . Procedure : take a tooth pic and scratch in the mouth slowly .take the cheek cells keep on glass mix the water with needle . Add few droops of methylene blue . And observe in microscope . You can see the image . Observation : cell will become a large. it won't have shape . Boundary of cheek cell is the cell membrane . Cell wall & cell membrane , nucleus , cytoplasm etc.....we can observe. Precautions: while scratching the screen slowly . Please take care of chemicals . Don't taste the chemicals.
Similar questions