11.2: DNA Structure and Function (Instructor Materials Preparation)
- Page ID
- 34870
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Lab Materials
This is the prep for one section of 24 students.
Part 4: Wheat Germ Extraction
Students will do this part in pairs.
| Materials | Quantity | Notes |
|---|---|---|
| Beaker (250 mL) | 1 per table | |
| Graduated cylinder (10 mL) | 1 per table | |
| Graduated cylinder (100 mL) | 1 per table | |
| Serological pipettes (5 mL) | 1 per table | 2 additional for sodium bicarbonate solution |
| Pipettors (green) | 1 per table | 2 additional for sodium bicarbonate solution |
| Thermometers | 1 per table | |
| Dawn dish detergent | 1 per table | Small personal container |
| Adolf’s Meat Tenderizer (original unseasoned) | 2 containers | On side counter |
| Scoops for meat tenderizer | 2 | On side counter |
| Raw untoasted wheat germ | 2 containers | On side counter |
| Digital balance | 2 | On side counter |
| Weigh papers | On side counter | |
| 1 M sodium bicarbonate | ~2 bottles | Each pair will need 5 mL |
| Waste buckets for wheat germ | 2 | |
| Signs across sinks: “No used wheat germ disposal or you will be destroyed!” | ||
| Glass DNA hooks | 6 | At instructor’s station |
| Ice bath | On side counter; large enough for 10 beakers | |
| Hot bath | On side counter with thermometer; 55º C | |
| Alcohol (95% in freezer) | 20 mL per table | On side counter in ice bath |
| Glass stirring rods | 1 per table | |
| Wax pencils | 1 per table |
Contributors and Attributions
CC licensed content, Original
- Biology Labs . Authored by: Wendy Riggs . Provided by: College of the Redwoods . Located at: www.redwoods.edu. License: Public Domain: No Known Copyright