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Pset8plantquestions

Which of the following treatments of seeds that

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Question 4 of 9 4.0 Points Which of the following treatments of seeds that require light for germination would promote germination? A. Treatment with blue light B. Treatment with red light C. Treatment with far-red light
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5/29/13 8:53 PM 2013 Plant Biology Lectures 8-10 Problem Set 8 Page 6 of 11 https://coursework.stanford.edu/portal/tool/1c2f43e9-1653-4e97-98f7-93a4fbb2cb09/jsf/delivery/beginTakingAssessment D. Treatment with red light then far-red light E. Treatment with blue light then far-red light Reset Selection Mark for Review What's This? Question 5 of 9 4.0 Points Suppose that you manage a greenhouse that produces roses for Valentine’s Day (in February). Roses normally bloom in June. Which of the following would be the best lighting schedule for inducing flowering in the plants? Reset Selection Mark for Review What's This? Question 6 of 9 4.0 Points After setting the correct photoperiod, the managers of a greenhouse still do not have blooming roses. Which of the following possibilities would most likely have contributed to the problem? Reset Selection Mark for Review What's This? Question 7 of 9 4.0 Points Red light activation of the phytochorome into the Pfr state leads to which of the following events?
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5/29/13 8:53 PM 2013 Plant Biology Lectures 8-10 Problem Set 8 Page 7 of 11 https://coursework.stanford.edu/portal/tool/1c2f43e9-1653-4e97-98f7-93a4fbb2cb09/jsf/delivery/beginTakingAssessment Reset Selection Mark for Review What's This? Question 8 of 9 4.0 Points Phototropins are A. hormones. B. hormone receptors. C. light receptors for photomorphogenesis. D. light receptors for phototropism. E. closely related to phytochromes. Reset Selection Mark for Review What's This?
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