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

Question

Quizplus · Accepted Answer

The correct sequence for de-etiolation in plants starts with the detection of light signal (I), followed by the activation of phytochrome (II), which then activates specific protein kinases (III), leading to the formation of de-etiolation response proteins (IV).

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