Fill in the blanks below to complete the sentences about photosynthetic reactions within the chloroplast, and then order the sentences chronologically. water photosystem II During the photosynthetic light reactions, a cluster of pigments and proteins called uses light and water and proteins of the photosynthetic electron transport chain to produce (a form of energy) and the by-product oxygen photosystem ! Also in the photosynthetic light reactions, a cluster of pigments and proteins called uses and the rest of the photosynthetic electron transport chain to produce carbon dioxide Calvin cycle PGAL ATP NADPH ight L