Practice question
Question
Red light converts phytochrome Pr to:
Explanation
Answer: C) Pfr. For PSS-Sec-E-Sensory biology, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) Pr; B) Inactive form; D) UVR8. Name the process first, then pick the option that describes it — don’t reverse cause and effect.