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Calvin cycle. The Calvin cycle (also known as Calvin-Benson cycle) is a series of biochemical reactions taking place in the chloroplasts of photosynthetic organisms. It was discovered by Melvin Calvin and Andy Benson at the University of California, Berkeley. It is one of the light-independent reactions and occurs in the stroma.
Calvin cycle. in photosynthesis, the cyclic series of reactions whereby carbon from carbon dioxide is fixed as phosphogylceric acid, the simple sugar glyceraldehyde -3-phosphate is generated, and carbon capture molecule, RuBP, is regenerated.