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Lab review – part 3

Lab review – part 3. BIOO 201: Botany. Chromatography. Purpose of chromatography - separate pigments due to difference in solubility What pigments? – colors? Carotenes Xanthophylls Chlorophyll b Chlorophyll a Anthocyanin. Chromatography. Correlation between leaf color and pigments?

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Lab review – part 3

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  1. Lab review – part 3 BIOO 201: Botany

  2. Chromatography • Purpose of chromatography - separate pigments due to difference in solubility • What pigments? – colors?CarotenesXanthophyllsChlorophyll bChlorophyll aAnthocyanin

  3. Chromatography Correlation between leaf color and pigments? • Red leaf of dogwood: • Yellow leaf of maple: • Green leaf of Bradford pear:

  4. Chlorophyll a & b content • How measured? • Which leaves with most chlorophyll content?

  5. Absorption Spectrum • Why done? • How done?

  6. Absorption Spectrum

  7. Absorption Spectrum

  8. Seed germination • What is the control for the experiment? • What is meant by “normal” germination?

  9. Seed germination

  10. Seed Germination

  11. Root length

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