photosynthesis

photosynthesis (fo-to-sin´the-sis)

1. The compounding or building up of chemical substances under the influence of light. 2. The process by which green plants, using chlorophyll and the energy of sunlight, produce carbohydrates from water and carbon dioxide, liberating molecular oxygen in the process. [photo- + G. synthesis, a putting together]
bacterial p. a primitive form of p. observed in some bacteria using only one photosystem and some reducing agent other than water.

 

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