lab: cells. slide 2 what will we be looking at under a microscope in this lab? bacteria cells ...
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Lab: Cells
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Slide 2 What will we be looking at under a
microscope in this lab?
Bacteria Cells
Plant Cells
Animal Cells
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Slide 3 - SpecimenWhatever you want to look at under a microscope.
(e.g. hair, blood, cells, insects, etc.)
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Slide 4 - Preparing Microscope Slides:1. Grab a clean glass slide. 2. Place specimen on middle of slide.3. Put one drop Iodine (Blue Dye) on top of specimen. 4. Cover specimen with a cover slip.
Specimen
Iodine
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Slide 5 - Cover SlipPurpose of a cover slip is to cover the specimen and iodine
so that the objective lens does not get wet.
Specimen +
Iodine
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Slide 6 - Microscope:Eye Piece Lens = 10 xLow Power Objective = 4xHigh Power Objective = 10x
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Slide 7What will you be viewing?
Cells Specimen
Animal Human Cheek Cells
Plant Onion
Bacteria Strep (Causes Strep Throat)
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Slide 8Cheek Cells – Low Power
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Slide 9Cheek Cells – High Power
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Slide 10 -Purpose of Iodine: Outlines the big parts of the cell such as the Nucleus and Plasma membrane.
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Slide 11Elodea Cell – Low Power
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Slide 12Elodea Cell – High Power
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Slide 13Bacteria – High Power