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    Campbell Biology in Focus
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    Exam 31: Plant Responses to Internal and External Signals
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    Which of the Following Treatments Would Enhance the Level of the P<sub>fr</sub>
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Which of the Following Treatments Would Enhance the Level of the Pfr

Question 21

Question 21

Multiple Choice

Which of the following treatments would enhance the level of the Pfr form of phytochrome?


A) exposure to far-red light
B) exposure to red light
C) long dark period
D) inhibition of protein synthesis

Correct Answer:

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