Photosynthesis The process of using visible light rays

Photosynthesis “The process of using visible light rays, CO 2, water, and chlorophyll in chemical reaction to create sugar(glucose [C 6 H 12 O 6])” By: Alexander Basinger, and Ian Martin

The two parts of Photosynthesis Light-Dependent Reactions § Visible light rays are used to: § Move electrons for energy § Break down of water into Hydrogen ions, and waste Oxygen § The electrons are used to charge ATP NADPH Light-Independent Reactions § Three CO 2 molecules enter the Calvin cycle and one high energy three carbon molecule come each cycle § Two of the carbon molecules are used to make sugar

Light-Dependent Reactions § Energy is absorbed from sun light, the Chlorophyll moves electrons out of it onto a protein chain § Also the Chlorophyll will recover the electrons by using more sun light to remove them from hydrogen and breaking down water § Now the electrons moving along the protein strands will pull the hydrogen ions along with them § The electrons will then be used to charge ATP and NADPH molecules

Light. Independent Reactions • • The light-independent reactions mostly take place in the Calvin cycle where energy is stored in carbon molecules The rest of it is the formation of the sugar(usually glucose[C 6 H 12 O 3]) The Calvin cycle: • Firstly 3 CO 2 enters and turns 3 C 5 molecules to 3 C 6 molecules • Then with 6 ATP and 6 NADPH the 3 C 6 becomes 6 C 3 • One of the C 3 molecules leaves to make the sugar • The remaining 5 C 3, using # ATP, is turn into 3 C 5 • The cycle starts again

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