Chapter 10. Lab II-3 Make Scale Casts of Hair Specimens
Equipment and Materials
You’ll need the following items to complete this lab session. (The standard kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)
Materials from Kit
Goggles
Forceps
Slides, flat
Materials you Provide
Gloves
Microscope (40X, 100X, and 400X)
Nail polish (colorless)
Nail polish remover (or acetone)
Specimen(s): human hair
Warning
Although none of the activities in this lab session present any significant risks, as a matter of good practice, you should always wear splash goggles, gloves, and protective clothing when working in the lab, if only to avoid contaminating specimens.
Background
The cuticle is made up of overlapping ...
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