Reversible pH Changes in Cells of Chlamydomonas reinhardi Resulting from CO2 Fixation in the Light and Its Evolution in the Dark
Open Access
- 1 May 1971
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 47 (5) , 700-704
- https://doi.org/10.1104/pp.47.5.700
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.Keywords
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