Beyond Benign


Lab: Lettuce Seed Assay

Students assess the toxicity of methanol, ethanol and isopropanol by examining the effect these substances have on germination of lettuce seeds. The procedure introduces students to the concepts of toxicity measurements, while using standard equipment and common techniques such as serial dilution and volumetric measurement. Concepts: ecotoxicity, serial dilution, volumetric measurement

Developed by Irv Levy (Gordon College)

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