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The Path of Carbon in Photosynthesis
Author(s) -
M. Calvin,
A.A. Benson
Publication year - 1948
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/927200
Subject(s) - photosynthesis , carbon fixation , carbon dioxide , algae , fixation (population genetics) , chemistry , carbon fibers , botany , environmental science , biology , mathematics , biochemistry , algorithm , composite number , gene , organic chemistry
The dark fixation of carbon dioxide by green algae has been investigated and found to be closely related to photosynthesis fixation. By illumination in the absence of carbon dioxide followed by treatment with radioactive carbon dioxide in the dark, the amount fixed has been increased ten to twenty fold. This rate of maximum fixation approaches photosynthesis maximum rates. The majority of the radioactive products formed under these conditions have been identified and isolated and the distribution of labeled carbon determined. From these results a tentative scheme for the mechanism of photosynthesis is set forth

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