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The reactions in photosynthesis require an input of energy from light. The energy needed to break the bonds within carbon dioxide is greater than the
energy released when the products (glucose and oxygen) are formed. Therefore the products of the reaction are at a higher energy level than the…

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5. Within the thylakoid space, an enzyme catalyses the photolysis to give oxygen, hydrogen ions and electrons. These
electrons replace those that were emitted from the chlorophyll molecule, so it is no longer positively charged.
6. The electrons that have passed along the chain combine with the co-enzyme NADP and…


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