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 |