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An Overall View Photosynthesis is the process by which high-energy, complex food molecules are produced from simpler components by green plants and other autotrophic organisms in the presence of light energy. In the process of photosynthesis, photons (unit packets) of light are captured by specific pigment molecules. Electrons within these pigment molecules are excited by the absorbed photons, and these excited electrons eventually liberate their energy to the cell as they fall back to the unexcited ground state. Many cells use this energy to reduce carbon dioxide to a carbo…
George H. Fried; George J. Hademenos: Schaum's Outline of Biology, Fourth Edition. Photosynthesis, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export