| 1. | It absorbs longer wavelength of light and e- from H2O |
| 2. | It absorbs shorter wavelength of light and e- from H2O |
| 3. | It absorbs longer wavelength of light and e- from NADP |
| 4. | It absorbs shorter wavelength of light and e- from NADP |
| I: | carbon dioxide is reduced. |
| II: | oxygen is released. |
| III: | the hydrogen carrier is NAD. |