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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.
AP Biology. Photosynthesis: The Light-Dependent Reactions. Introduction. Photosynthesis is the process, by which autotrophs (plants) make organic compounds, such as sugars. Photosynthesis occurs in two phases: Light-Dependent Reations & The Calvin Cycle (also called the Light-Independent Reactions).