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This article in CS

  1. Vol. 7 No. 6, p. 551-560
    Received: May 10, 1967

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Transformation of Light Energy Chemical Energy: Photochemical Aspects of Photosynthesis1

  1.  Govindjee2



The physical and chemical events leading from the absorption of light by chlorophyll a in vivo to the production of the “reducing power” (reduced nicotinamide adenine dinucleotide phosphate) and the “high energy phosphate” (adenosine triphosphate) are reviewed here for the benefit of those students who have little understanding of the biophysical processes associated with photosynthesis and who are interested in appreciating the current status of the knowledge in this field. The capture of light energy, the fate of excitation, energy transfer, the trapping of energy, the Emerson enhancement effect, the two light reactions and the electron pathways in photosynthesis are discussed in this review; it cites detractors as well as supporters of the current dogma on photosynthesis.

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