Please provide a detailed explanation of the process of photosynthesis, including the key stages and the role of chlorophyll. Your response should contain at least 5 sentences and no more than 8 sentences. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Include keywords *chlorophyll*, *light energy*, *carbon dioxide*, *water*, *glucose*, *oxygen*. In your response, the word *photosynthesis* should appear at least 3 times.

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