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OCR A Level Biology Paper 1 Questions and Answers Verified 2024 Priority Topics
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OCR A Level Biology Paper 1 Questions and Answers Verified 2024 Priority Topics Auxin is a plant hormone produced in the shoot tip. Auxin causes cell elongation and travels down the stem from the tip. Auxin is destroyed by sunlight. Explain how this leads to positive phototropism in the plant. - C...
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