Light reactions The light-dependent reactions of PHOTOSYNIHESIS that convert light energy into the chemical energy of NADPH and ATP, which are used in the dark reactions for carbon dioxide fixation.

• 光反应：光合作用中依赖光的反应，此过程可将光能转换成ATP和NADPH的化学能，这些能量在暗反应中用来固定二氧化碳。