what is used and produced in light dependent reactions?
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The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. ... There, energy is transferred to P680, boosting an electron to a high energy level (forming P680*).
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['Photosynthesis Reactants. ... ', 'Products of Photosynthesis. ... ', 'Light-Dependent Process. ... ', 'Light-Independent Process. ... ', 'The Overall Process.']
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Photochemical Reaction in Photosynthesis Photosynthesis is a photochemical process by which green plants, seaweeds, algae, and certain bacteria absorb solar energy and utilize it to convert the atmospheric carbon dioxide to carbohydrates in the presence of water.
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In the light-dependent reactions, energy from sunlight is absorbed by chlorophyll and that energy is converted into stored chemical energy. In the light-independent reactions, the chemical energy harvested during the light-dependent reactions drives the assembly of sugar molecules from carbon dioxide.
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['Photosynthesis: plants use solar energy to convert carbon dioxide and water into glucose and oxygen.', 'Human formation of vitamin D by exposure to sunlight.', 'Bioluminescence: e.g. In fireflies, an enzyme in the abdomen catalyzes a reaction that produced light.']
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Terms in this set (9) -The calvin cycle use ATP and NADPH from the light-dependent reactions to produce high-energy sugars. Two of the twelve 3- carbon molecules are removed from the cycle. The molecules are used to produce sugars, lipids, amino acids, and other compounds.
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Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the energy-storage molecules ATP and NADPH. During the second stage, the light-independent reactions use these products to capture and reduce carbon dioxide.
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Examples of photochemical reactions Photosynthesis: plants use solar energy to convert carbon dioxide and water into glucose and oxygen. Human formation of vitamin D by exposure to sunlight. Bioluminescence: e.g. In fireflies, an enzyme in the abdomen catalyzes a reaction that produced light.
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The exergonic (def) light-dependent reactions of photosynthesis convert light energy into chemical energy, producing ATP and NADPH. These reactions occur in the thylakoids of the chloroplasts.
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The two are linked together and controlled by enzymes. The light-dependent reaction is a photochemical reaction taking place in the thylakoid membranes of chloroplasts, where light energy is transformed into adenosine triphosphate (ATP) and nicotinamide adenine dinucleotide phosphate (NADPH).
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Specifically, plants use energy from sunlight to react carbon dioxide and water to produce sugar (glucose) and oxygen. Many reactions occur, but the overall chemical reaction for photosynthesis is: 6 CO2 + 6 H2O + light → C6H12O6 + 6 O.
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Photosynthesis is usually represented by the equation 6 CO2 + 6 H2O + light --> C6H12O6 + 6 O2. ... During this process, organisms such as plants go through the light-dependent and light-independent reactions to convert carbon dioxide and water into sugars and oxygen.
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In the light-independent reactions or Calvin cycle, the energized electrons from the light-dependent reactions provide the energy to form carbohydrates from carbon dioxide molecules. The light-independent reactions are sometimes called the Calvin cycle because of the cyclical nature of the process.
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The net effect of these steps is to convert light energy into chemical energy in the form of ATP and NADPH. The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle.
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During the light reactions, water is used and oxygen is produced. These reactions can only occur during daylight as the process needs sunlight to begin.
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Answer and Explanation: Light-dependent reaction can be considered as a catabolic reaction since it produces energy in the form of ATP and NADPH. Catabolic reactions capture energy and save this energy in high-energy molecules.
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Figure: Light Reactions: Light-dependent reactions harness energy from the sun to produce chemical bonds, ATP, and NADPH. These energy-carrying molecules are made in the stroma where the Calvin cycle takes place.