SI chapter 39 questions - End of Chapter 39 Questions 1....

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End of Chapter 39 Questions 1. What is the difference between thigomotropism (response to touch) and thigmomorphogenesis (touching casues development of the shape of the organism) ? What factors are responsible for causing each? 2. What are pulvini? take in water: plant loses turgor pressure at night (sleep movement) 3. What is photoperiodism? physiological response to the photoperiod (light) 4. Will a short-day plant flower if it is exposed to 10 consecutive hours of darkness? No. What if it is exposed to 14 consecutive hours of darkness? Yes. What if a flash of light is administered during in the middle of the fourteen hour long period of darkness? No. 5. Will a long-day plant flower if it is exposed to 10 consecutive hours of darkness? Yes. What if it is exposed to 14 consecutive hours of darkness? No. What if a flash of light is administered during in the middle of the fourteen hour long period of darkness? Yes. 6. Will a short-day plant flower if a flash of red light is administered during a the middle of a fourteen-
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This note was uploaded on 06/28/2011 for the course BY 124 taught by Professor Cusic during the Summer '08 term at University of Alabama at Birmingham.

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