Light-driven CO2 fixation: light reactions in thylakoids (photosystems → NADPH + ATP) + Calvin cycle in stroma (rubisco fixes CO2 to 3-PGA → G3P → sucrose/starch).
Light-driven CO2 fixation: light reactions in thylakoids (photosystems → NADPH + ATP) + Calvin cycle in stroma (rubisco fixes CO2 to 3-PGA → G3P → sucrose/starch).