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Photosynthesis
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Photosynthesis light reactions (thylakoid)
6CO H2O gives C6H12O6 + 6O2 + 6H2O Calvin cycle or dark reactions (stroma) photoenergy is required (endergonic
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Using the Spectroscope
view white light w/ spectroscope,record colors seen view red, blue, and green filters w/ Spectroscope,record colors seen view spinach extract w/ spectroscope,record colors seen
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Using the Spectrophotometer
tube 1 spinach extract tube 2 (blank) solvent tube 3 carrot extract record %T from nm in 25nm increments, graph 100% T must be reset whenever λ is changed % %
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Chromatography solvent line carotenes = orange carotenoids
xanthophylls = yellow chlorophyll a = blue-green chlorophylls chlorophyll b = yellow-green baseline
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Chromatography, Rf values
Rf = pigment distance/solvent distance affinity for the solvent = high Rf value affinity for the paper = low Rf value Staple finished chromatograms to report
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Starch localization in leaves
Boiling the leaf in alcohol will remove the pigments, it will turn white flood leaf w/ iodine iodine + starch = blue-black Draw leaf in color before boiling and after staining.
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Chloroplast Model Label chloroplast in your lab manual outer membrane
inner membrane intermembrane space stroma (Calvin cycle or dark reactions) thylakoid (light reactions), granum, grana
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