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Plants: Essential Processes


Problems

Problem : Define a hormone and list the five different classes of plant hormones.


Problem : What is phototropism, and which hormone is responsible for it?


Problem : One of the plant hormones delays senescence (aging), and another stimulates it. Which hormone is responsible for each task?


Problem : Why is the balance between auxins and cytokinins important to the plant?


Problem : Explain the acid growth hypothesis. What phenomenon in plants does this hypothesis account for?