Explain the process of photosynthesis in plants, including the main stages and the role of chlorophyll. Your ENTIRE response should be in lowercase letters. no other letter case is allowed. your response should contain at least 3 sentences. your response must contain at least 1 placeholders represented by square brackets, such as [plant]. highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. include keywords *chlorophyll, sunlight, glucose, oxygen* in the response.
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