Which of the following sequences correctly represents the phytochrome signal transduction pathway?
A) red light → PIF3 activation → PIF3 into nucleus → light-responsive gene switched off
B) red light → Pfr to Pr → Pr into nucleus → Pr-PIF3 complex → light-responsive gene regulation
C) UV light → PIF3 into nucleus → light responsive gene produces phytochrome → Pr to Pfr
D) blue light → Pfr into nucleus → Pfr-PIF3 complex → light-responsive gene regulation
E) red light → Pr to Pfr → Pfr into nucleus → Pfr-PIF3 complex → light-responsive gene regulation
Correct Answer:
Verified
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