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History, 13.07.2019 10:10 als102

In a classic experiment in photosynthesis performed in 1883 by the german botanist thomas engelmann, he surrounded a filament of algae with oxygen-requiring bacteria. he then exposed the algal strand to the visible-light spectrum along its length. in which wavelengths of light along the algal strand would you expect the bacteria to cluster? explain. (3pts)

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