Microscopes and Cells Lab

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Microscope and Cells Lab #1 Microscopes and Cells Lab Introduction We used this lab to practice using correct microscope techniques and to note how the samples we observed changed with different magnifications. Purpose The objective of this experiment was to view the “E” slide, amoeba slide, and cheek (multicellular organism) slide through a binocular light microscope at 40x, 100x, and 400x magnification and to identify the specimen. Materials Binocular Light Microscope “E” Microscope Slide Amoeba Microscope Slide Toothpicks Coverslips Methylene Blue Water droppers Methods We used the binocular light microscope to examine the slides at 40x, 100x, and 400x magnifications and recorded what we studied. We viewed the “E” slide first and were able to understand the different magnifications. We then had a teammate use a toothpick to scrape cells from her cheek and swab them on a slide, she placed the metheylene blue on the slide and used the water dropper to rinse the excess off of the slide, after allowing the slide to dry she placed the coverslip on. After we were done with the cheek slide, we viewed the amoeba slide and recorded our observations at the different magnifications. Results “E” Slide Cheek (multicellular organism) Slide Amoeba Slide Discussion For the “e” slide, I noticed that we were able to view the entire letter at the 40x, and 100x magnifications, but were only able to see a portion of it at the 400x magnification. When we looked at the amoeba and cheek slides the higher the magnification we were viewing it under, the more clear the cells were because at the 40x magnifications, they only looked like small dots. Conclusion I concluded that the results obtained as drawn above were correct. References Investigating Biology Laboratory Manual, 6th Ed., Judith Morgan and M. Eloise Brown Carter,

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