In mechanism,photophosphorylation is most similar to A)substrate-level phosphorylation in glycolysis. B)oxidative phosphorylation in cellular respiration. C)carbon fixation. D)reduction of NADP⁺.

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Photophosphorylation is the process of generating ATP from ADP and inorganic phosphate in photosynthesis. This process is similar to oxidative phosphorylation in cellular respiration, where ATP is generated from ADP and inorganic phosphate through the electron transport chain. Substrate-level phosphorylation occurs in glycolysis where ATP is directly synthesized from the conversion of glucose to pyruvate. Carbon fixation refers to the process of converting inorganic carbon into organic compounds through photosynthesis. Reduction of NADP⁺ refers to a specific biochemical reaction in which NADPH and Sulfite are converted to NADP+ and Sulfate through the enzyme sulfite reductase.

In Mechanism,photophosphorylation Is Most Similar to