Photosynthesis has two main stages: light reactions and the Calvin cycle; the Calvin cycle has three stages called carbon fixation, reduction and regeneration of RuBP. Photosynthesis is a chemical process in plants which converts light energy to chemical energy. This energy is stored in the bonds of sugar.Continue Reading
Photosynthesis begins with the light reactions, in which light that is absorbed moves electrons to a higher energy level. From there, the electrons enter the electron transport chain. The light reactions produce the NADPH and ATP used in the Calvin cycle to reduce carbon dioxide into sugar.
The Calvin cycle produces energy in three stages: