Reversible pH Changes in Cells of Chlamydomonas reinhardi Resulting from CO(2) Fixation in the Light and Its Evolution in the Dark |
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| Authors: | Neumann J Levine R P |
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| Affiliation: | The Biological Laboratories, Harvard University, Cambridge, Massachusetts 02138. |
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| Abstract: | Illumination of a suspension of Chlamydomonas reinhardi causes an increase in the pH of the medium which is reversed in the dark. This pH change is a manifestation of CO2 uptake in the light and its evolution in the dark. Simultaneous measurements of pH changes and oxygen evolution reveal that the photosynthetic coefficient approaches one. |
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