These electrons are used to produce<span> NADPH as well as ATP in a series of </span>reactions <span>called the </span>light reactions<span> because they </span>require light<span>. they are </span>formed<span> by the action of </span>light<span> then reduce carbon dioxide and convert it into 3-phosphodiesterase by a series of </span>reactions<span> called the </span>Calvin cycle.