auxin regulates cell growth by a) altering the elasticity of cell walls b) altering the plasticity of cell walls c)synthesing new cell walls d) breaking down cell walls in growing cells.
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Answer:
A.
Explanation:
Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical dominance). They are produced in the stem, buds, and root tips. Example: Indole Acetic Acid (IA). Auxin is a plant hormone produced in the stem tip that promotes cell elongation.
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