character: Mr. David Lee
topic: The Impact of Nutrition on Collagen Production
grade: 11
subject: Biology
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character: Dr. Sarah Johnson
topic: The Role of Vitamin C in Collagen Synthesis
grade: 11
subject: Biology
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character: Professor Emily Chen
topic: Essential Amino Acids for Collagen Formation
grade: 11
subject: Biology
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character: Nutritionist Karen Smith
topic: Dietary Sources of Collagen and Their Benefits
grade: 11
subject: Biology
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