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Microscope Use and Wet Mounts
Worksheet
Grade Level
Grade 8
8.95 Microscope Use and Wet Mounts
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Which option gives the best full procedure for observing cheek cells safely and clearly?
A
Scrape a sample gently, place it on a slide, add one small drop of water, lower a coverslip at an angle, start on low power, center the cells, then switch to high power and use fine focus.
B
Place the cheek sample under a dry coverslip, start on high power, and use coarse focus until a cell appears.
C
Make a large puddle of water, press the coverslip flat, and begin on the highest power.
D
Skip the coverslip, hold the slide by hand, and use whichever objective is already in place.
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