Four Physiological Events That Occur During De-Etiolation (Greening) of Plants

question 18

Multiple Choice

Four physiological events that occur during de-etiolation (greening) of plants are listed below.
I. detection of light signal
II. activation of phytochrome
III. activation of specific protein kinase1
IV. formation of de-etiolation response protein
Which of the following lists these events in the correct order?

• A) I, III, II, and IV
• B) I, II, III, and IV
• C) IV, III, II and I
• D) II, I, IV and III

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