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GrogVix [38]
3 years ago
9

The chemical that promotes phototropism is _____.

Biology
2 answers:
Lilit [14]3 years ago
8 0
Auxin Gibberellin Cytokinin Adscisic-Acid
san4es73 [151]3 years ago
7 0
During phototropism, the plant hormone auxin<span> controls cell elongation.</span>
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