Created by StemPy LabA cabbage plant stays as a low rosette of leaves for a long time. A spray of a plant growth regulator makes the stem shoot up and bear flowers. Which statement is correct?
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← A student lays a block of agar that held auxin on the right half of a decapitated oat coleoptile in the dark. A second coleoptile gets a plain agar block in the same place. What does she see?Seeds of a legume lie for weeks in moist, warm soil and do not sprout. A gardener nicks the coat of a few with a knife, and they sprout in three days. What is the most likely cause of their dormancy? →
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