[CH 2 O] + O 2 where [CH 2 2.2.1 Interpretation of the Action Spectrum. Biology is brought to you with support from the Amgen Foundation. Calculated per unit thermoelectrically measured incident energy the action spectrum shows bands at 660–670 nm and c. 500 nm and a comparatively high level of the whole region 500–560 nm. A first action spectrum photosynthesis was thus described. It resembles roughly the absorption spectra of chlorophyll a and b. J. v. SACHS (1832 - 1897) could finally prove that chlorophyll is involved in photosynthesis. He observed that the bacteria accumulated mainly in there of blue and red light of the split spectrum. McC'~E, K. J., 1972. The bacteria were used to detect the sites evolution. MeteoroL, 9: 191-216. We already got to know something about the assimilation of carbon dioxide in the previous section. Not all wavelengths of light can support photosynthesis. 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January 02, 2021
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