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Structure and Function of Plants and Animals

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Last update by mcclainmechele on 10/08/2012
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Structure and Function of Plants and Animals
Structure and Function of Plants and Animals
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Free Flashcard From Structure and Function of Plants and Animals
Question: What are some main plant hormones and their functions?
Answer: Auxin - stimulates stem elongation, functions in phototropism and gravitropism.Cytokinins - regulate cell division in shoots and roots.Gibberellins - stimulate stem elongation, pollen development, pollen tube growth, fruit gorwth, and seed development and germination; regulate sex determination.Brassinosteroids - promote cell expansion and cell division in shoots.Abscisic acid - inhibits growth; promotes stomatal closure during drought stress.Ethylene - promotes ripening of many types of fruit, leaf abscission, and the triple response in seedlings.

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