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4.6 identify the role of the coenzymes ADP and NADP in the light reactions
identify the role of the coenzymes ADP and NADP in the light reactions
- Coenzymes are compounds that play a role with enzymes to catalyse reactions. Some coenzymes are oxidising and reducing agents.
- The conversion of NADP+ to NADPH is a reduction reaction while the splitting of water to release electrons is an oxidation reaction. The half reactions of oxidation and reduction are kept separate in the two photosystems.
Animation of the light reaction
Cornell University, USA. [Flash required]