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Plant hormones — auxins and phototropism (3 marks)

GCSE · Biology · Edexcel · CB6 — Plant structures and functions — photosynthesis, transpiration, plant hormones, nutrition

Question

Edexcel 1BI0 Paper 2

Explain how auxins cause a shoot to bend toward a light source. (3 marks)

3 marks · take your time before peeking.

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