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Plant Pigments and Photosynthesis—Classic Lab Kits for AP® Biology

By: The Flinn Staff

Plant Pigments and Photosynthesis Laboratory Kit for Classic AP* Biology Lab 4 (3 Groups)
Plant Pigments and Photosynthesis Laboratory Kit for Classic AP* Biology Lab 4 (3 Groups)
Plant Pigments and Photosynthesis Laboratory Kit for Classic AP* Biology Lab 4 (3 Groups)
Plant Pigments and Photosynthesis Laboratory Kit for Classic AP* Biology Lab 4 (3 Groups)
In the Plant Pigments and Photosynthesis Classic Laboratory Kits for AP® Biology, separate and chromatograms and envision light reactions. Refill is available.

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First, students use thin-layer chromatography (TLC) to separate the pigments in blue-green algae and spinach then compare the chromatograms of the two diverse species. The second activity enables students to envision the light reactions as dye is reduced when it substitutes within the electron-transport chain. Fresh spinach, spectrophotometers, cuvets, a strong light source and a blender are required and available separately.

Materials: Dichlorophenolindophenol*, Acetone*, Aluminum foil,* Blue-green algae extract*, Cheesecloth*, Chromatography solvent*, Lens paper Parafilm*, Phosphate buffer concentrate*, Graduated pipets*, Thin-stem pipets*, Spinach extract*, 3-mL Syringes, 5-mL Syringes, Thin-layer chromatography sheets*

*Denotes items included with refill kit