Microscope Lab Essay

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Brian Williams Microscopy and Cell Structure In this lab we were learning about the cell structure. When you look through the microscope it really teaches you the difference between a prokaryote and a eukaryote cell. Another key point of the lab was how to use the microscope. We learned how to use the microscopes at the school. For me it was a real learning experience because at my high school our microscopes weren’t as advanced as that. The independent variable would be the onion cells and the Elodea cells. The dependent variable would be the human cheek cells. The control would be the microscope. We were given three slides that had bacteria on them. The first slide we put on with a low zoom and it looked like a blob of strings. We zoomed in and we could tell it was spiral bacteria because it wasn’t circular or rod shaped. The next slide we put on with a low zoom and it looked like a bunch of dots. We zoomed in and we decided it was a bacilli bacteria because the dots looked almost like ovals. The third slide we put on with a low zoom and it looked like a bunch of dots again. We zoomed in and we could clearly tell it was cocci bacteria because they dots were almost perfect circles. We noticed that the onion, elodea, and the human cells all look different. The elodea cells are very small and round. They are all connected together to make a sheet of little cells. All is very uniform and precise. The onion had cells that looked like boxes. They didn’t line up very well and they just weren’t as precise as the elodea cell was. The animal cell looked nothing like the plant cells even though it was very hard to see. One cell looked like a blob, which almost looked like it had lines going through it. The other cell we retrieved was square like and it looked like you could almost see little cells all connected together. We got slide number 17 from the

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