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Absorption Spectrum of Pigments

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Compare and contrast the absorption spectrum of pigments of Cyanobacterium vs. the various purple bacteria. What wavelengths are preferentially absorbed by the pigments of each group of bacteria & how do the absorption properties of these molecules compare with the regions of the spectrum visible to our eye? How do they explain the predominant color of each group of bacteria?

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The absorption spectrum of pigments are determined.

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Compare and contrast the absorption spectrum of pigments of Cyanobacterium vs. the various purple bacteria. What wavelengths are preferentially absorbed by the pigments of each group of bacteria & how do the absorption properties of these molecules compare with the regions of the spectrum visible to our eye? How do they explain the predominant color of each group of bacteria?

Chloroplasts are thought to have evolved from a cyanobacterium (or close relative) that was in a symbiotic relationship with a eukaryotic, non-photosynthetic cell and was engulfed inside this cell. The cyanobacterium and the eukaryotic cell ...

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