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Differences in the pH Optimum of the Photosynthetic Fixation of Carbon Dioxide in Isolated Whole and Broken Chloroplasts

Abstract

RECENTLY, Gibbs et al.1–4 emphasized the differences between whole and broken chloroplasts regarding their sensitivity against inhibitors during fixation of carbon dioxide and the distribution of carbon-14 in the sugars so formed. In our experiments an additional difference, the markedly lower pH optimum of fixation of carbon dioxide in whole chloroplasts, as compared with broken chloroplasts, was observed.

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ELBERTZHAGEN, H., KANDLER, O. Differences in the pH Optimum of the Photosynthetic Fixation of Carbon Dioxide in Isolated Whole and Broken Chloroplasts. Nature 194, 312–313 (1962). https://doi.org/10.1038/194312b0

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