A cyclical series of biochemical reactions that occur in the stroma of chloroplasts during photosynthesis. It includes the light-independent reactions such as carbon fixation, reduction reactions and ribulose 1,5-diphosphate (RuDP) whereby sugars and starch are ultimately produced.
At this stage of photosynthesis, the energy released from ATP produced during light reactions is used to drive the conversion of carbon dioxide and other compounds into an organic molecule (e.g. glucose).
Variants: Calvin cycle or Calvin- Benson-Bassham cycle
See also: Photosynthesis on Tutorials for further information.
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1. origin is one point, evolution is process. To have cycle, you have to have process. "Micelle to liposome to bacteria thing..." ... provide intermediate metabolites for amino acids metabolism etc., Calvin cycle's purpose is to bind CO2 and convert it into sugar. I'm not saying ...
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