I would like to know more about the process of photosynthesis. Please provide a detailed explanation that includes the key stages and the role of sunlight in the process. Your response should contain at least 3 paragraphs separated by markdown dividers: ***. Highlight at least 2 sections in your answer with markdown, i.e., *highlighted section*. In your response, the word "photosynthesis" should appear at least 2 times.
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