Answer: The BUS capability is only available to PPSM CCB/TAG members. It is a spreadsheet used to automatically import new DoD IS and PPS information into the PPSM Registry. Please contact your CCB/TAG member for more information wrt the BUS capability.
Photosynthesis is a two stage process. The first process is the Light Dependent Process (Light Reactions), requires the direct energy of light to make energy carrier molecules that are used in the second process.
Photosynthesis occurs in two stages. These stages are called the light reactions and the dark reactions. The light reactions take place in the presence of light. The dark reactions do not require direct light, however dark reactions in most plants occur during the day.