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Purpose:
Students will observe a variety of living cells and become familiar with basic cell structures.
Summary:
Students will observe cheek cells and onion cells, practice staining techniques and observe differences between plant and animal cells.
Objectives Links:
1. A: Cell Structures
1. B: Cell Differentiation
2. A: DNA
Process Skills Checklist
Materials:
- toothpicks
- glass slides
- cover slips
- methylene blue
- onion
- Lugol's iodine solution
- paper towels
- compound microscopes
Safety Concerns:
Lugol's iodine solution is poisonous if ingested. Iodine solution can be an irritant to skin and eyes and will stain clothing.
Revision Date:
Summer 2005
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