The step in photosynthesis that does not require light is called the Calvin cycle, also known as the dark reactions or light-independent reactions. This process occurs in the stroma of chloroplasts and involves the fixation of carbon dioxide and the production of glucose using ATP and NADPH generated during the light-dependent reactions. While the Calvin cycle does not need light directly, it relies on the products of the light-dependent reactions, which do require light.
which step in photosynthesis does not need light.
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