A-Level Biology (Edexcel B)
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Topic 9: Control Systems
Chemical control in plants
Auxin in Phototropism and Geotropism
14:08
Know that auxin has several effects, including cell elongation, suppression of lateral buds (apical dominance) and promoting root growth.
Spec
9.3 ii
This video covers the following point of the Edexcel B specification.
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