6. Which hormone is involved in phototropism? A. ethylene B. abscisic acid C. ph

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6. Which hormone is involved in phototropism? A. ethylene B. abscisic acid C. phototropin D. auxin A-1 Exam IV Spring 2017 May 10, 2017 Name Chapters 39 & 52-56 7. Which photoreceptor detects blue light? A. phytochrome B. cryptochrome C. phototropin D. B and C 8. Which of these events occurs during de-etiolation? A. fruits become sensitive to ethylene B. stem elongation slows down C. roots stop elongating D. mitosis in leaves occurs less frequently 9. Which response occurs when phytochrome in the Pir state detects far red light? A. Fruit begins to ripen B. Jasmonate production stops C. Seed germination is inhibited D. Stomata in leaves will close

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6. Which hormone is involved in phototropism? A. ethylene B. abscisic acid C. ph

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