what are the electron carrier molecules in photosynthesis?
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Nicotinamide adenine dinucleotide phosphate, an energy carrier molecule produced in the light reactions of photosynthesis. NADPH is the reduced form of the electron acceptor NADP+. At the end of the light reactions, the energy from sunlight is transferred to NADP+, producing NADPH.
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['Photosynthesis Inputs. 6H2O, 6CO2, (light) energy.', 'Photosynthesis Outputs. C6H12O6 (glucose), 6O2.', 'Light Reactions Inputs. Light (energy), ADP, Pi, NADP, H2O.', 'Light Reactions Outputs. O2, ATP, NADPH.', 'Calvin Cycle Inputs. ... ', 'Calvin Cycle Outputs. ... ', 'Cellular Respiration Inputs. ... ', 'Cellular Respiration Outputs.']
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During oxygenic photosynthesis, light energy transfers electrons from water (H2O) to carbon dioxide (CO2), to produce carbohydrates. In this transfer, the CO2 is "reduced," or receives electrons, and the water becomes "oxidized," or loses electrons. Ultimately, oxygen is produced along with carbohydrates.
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Overall equation for photosynthesis 6 water water molecules are oxidized, and become the source of electrons for carbon dioxide reduction. 6 molecules of carbon dioxide are required, one for each carbon atom in glucose.
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Bacterial electron transport chains. NADH → Complex I → Q → Complex III → cytochrome c → Complex IV → O2 where Complexes I, III and IV are proton pumps, while Q and cytochrome c are mobile electron carriers. The electron acceptor is molecular oxygen.
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Three main ingredients are required for photosynthesis: water, carbon dioxide, and light. Plants use light energy from the sun to convert six water molecules (6 H2O) and six carbon dioxide molecules (6 CO2) into a molecule of glucose and six molecules of oxygen.
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['Chloroplasts. Food producers of the cell. ... ', 'Chlorophyll. Green molecules inside the chloroplasts of the cells. ... ', 'Sunlight. Sunlight drives the photosynthesis reaction. ... ', 'Carbon dioxide. CO2. ... ', 'Water. ... ', 'Glucose. ... ', 'Limiting factors. ... ', 'Limiting factor of light.']
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Answer and Explanation: The products of photosynthesis are glucose and oxygen. Glucose is stored in algae and plants in insoluble forms, while oxygen goes into the air.
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Photosynthesis begins when light strikes Photosystem I pigments and excites their electrons. The energy passes rapidly from molecule to molecule until it reaches a special chlorophyll molecule called P700, so named because it absorbs light in the red region of the spectrum at wavelengths of 700 nanometers.
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The electron transport chain is a series of proteins and organic molecules found in the inner membrane of the mitochondria.
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Photosystem I is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin. Ultimately, the electrons that are transferred by Photosystem I are used to produce the high energy carrier NADPH.
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In Summary: Electron Transport Chain The electron transport chain is composed of four large, multiprotein complexes embedded in the inner mitochondrial membrane and two small diffusible electron carriers shuttling electrons between them. ... The end products of the electron transport chain are water and ATP.
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In (b) photosystem I, the electron comes from the chloroplast electron transport chain. The two photosystems absorb light energy through proteins containing pigments, such as chlorophyll.
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You should be familiar with the energy carrier molecules used during cellular respiration: NADH and FADH2. Photosynthesis uses a different energy carrier, NADPH, but it functions in a comparable way. The lower energy form, NADP+, picks up a high energy electron and a proton and is converted to NADPH.
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Key Takeaways: Electron Transport Chain The electron transport chain is a series of protein complexes and electron carrier molecules within the inner membrane of mitochondria that generate ATP for energy. Electrons are passed along the chain from protein complex to protein complex until they are donated to oxygen.
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In Summary: Electron Transport Chain The electron transport chain is the portion of aerobic respiration that uses free oxygen as the final electron acceptor of the electrons removed from the intermediate compounds in glucose catabolism.
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TL;DR (Too Long; Didn't Read) The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.