Abstract:Many earlier investigators have attempted to obtain a plant sap or leaf macerate which can utilize light energy for carbon dioxide fixation and reduction. If the cell-free process were like that of the whole plant, it should be able to reduce the CO2 to a carbohydrate level by normal photosynthetic intermediates. A portion of the whole photosynthetic process has been studied in isolated chloroplasts by Hill and Scarisbrick (1), who observed the photochemical formation of reducing energy and oxygen from water. … Show more
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