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What are the chemical reactions that occur during photosynthesis?
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The primary chemical reaction that occurs during photosynthesis is the conversion of carbon dioxide and water into glucose and oxygen. This process is known as the light-dependent reaction. During this reaction, light energy is used to split the water molecules into oxygen and hydrogen ions. The hydrogen ions are used to create ATP (adenosine triphosphate) molecules. The ATP molecules then combine with carbon dioxide to create a high energy compound called the glyceraldehyde-3-phosphate (G3P). The G3P molecules are used to create glucose and other organic molecules. The oxygen atoms produced in this reaction are released into the atmosphere.