Biology · Plant Physiology and Photobiology
The following statements are made regarding the functioning of phytochromes A and B during light signaling in plants. A. Phytochrome B (PhyB) lacks nuclear localization signal (NLS) and after perceiving light, it takes hours for nuclear import. B. Phytochrome A (PhyA) contains NLS and its nuclear import occurs rapidly. C. Pfr form of PhyA depends on FAR-RED ELONGATED HYPOCOTYL 1 (FHY1) and its homolog FHL for nuclear import. D. Pfr form of PhyB depends on FHY1 and its homolog FHL for nuclear import. Which one of the following options represents all correct statement(s)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1D only
- 2A and C✓
- 3C only
- 4A and B
Correct answer
A and C
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