what is auxin? how does it wide in the growth of a plant?
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Auxin promotes cell growth and elongation of the plant. In the elongation process, auxin alters the plant wall plasticity, making it easier for the plant to grow upwards. Auxin also influences rooting formations. ... Auxin is responsible for apical dominance and phototropism.
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here is ur answer answer
...
auxin is a photo harmone ...
which helps in bending with respect to sunlight..
.....
it helps in promotion of cell elongation and differtination of root and shoot tips
,it was first discovered by Went scientist
Auxin,shows
phototropism...
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