Question

someone 10th ICSE please answer this :
why does stem stem cell elongation require more auxin in comparison to roots .
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Answer 1

Answer:

Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical dominance). ... Auxin is a plant hormone produced in the stem tip that promotes cell elongation. Auxin moves to the darker side of the plant, causing the cells there to grow larger than corresponding cells on the lighter side of the plant.