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Saturday, April 13, 2013

Cheek and Onion Cell experiment.

Cheek and Onion Cell Experiment

The aim of this experiment will be to show that different cells have different structures and textures.

Hypothesis

I believe that masking these different cell types under the microscope will show more(prenominal) detail and variations between the cells.

Method

Apparatus

All apparatus was collected and setup as shown in the table below.

CHEEK CELL

ONION CELL

Microscope

Microscope

Slide

Slide

Methylene Blue

Iodine

Spatula

Microscopic Cover Slip

Microscopic Cover Slip

Forceps

Forceps

Tile

Tile

Cheek Cell

*A examine was taken using a spatula, gently scraping the internal of the cheek

*The fluid from the spatula was then placed onto a slide and ane offload of methylene blue was dropped onto the exemplar.

*A microscopic crossbreed drop off was then placed o top of the sample using the forceps to avoid bubbles.

*The sample was then viewed under the microscope at discordant magnification settings 4x10, 10x10 and 40x10, which can be seen on the succeeding(a) page.

Onion Cell

*A thin later was peeled from the inside of the onion (dull side) with the forceps.

*The sample was then placed onto a slide, one drop of Iodine was dropped onto the sample and a microscopic cover slip placed on top.

*The sample was then viewed under the microscope at various magnification settings 4x10, 10x10 and 40x10, which can be seen on the next page.

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*The onion cell structure looked like a sett/snakeskin effect.

Results

The table below shows results of both cells viewed under the microscope at various magnification settings.

SAMPLEMICROSCOPE

SETTINGSCell MembraneCell WallCytoplasmNucleusVacuole

Cheek4 x 10ÏÏÏ

Cheek10 x 10ÏÏÏ

Cheek40 x 10ÏÏÏ

Onion4 x 10ÏÏ

Onion10 x 10ÏÏÏ

Onion40 x 10ÏÏÏÏ

Conclusion

The experiment showed that a plant cell and gay cell have some similarities, they differ in create size and structure.

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