Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps of what significance is this experiment?
- AIt made possible the isolation and exact identification of auxin.
- BItis the basis for quantitative determination of small amounts of growth-promoting substances.
- CIt supports the hypothesis that IAA is auxin.
- DIt demonstrated polar movement of auxins.
✓ Correct answer: A
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