Practice question
Question
Which protein ubiquitinates nuclear proteins during photomorphogenesis regulation?
Explanation
Pick C: COP1. Thinking through PSS-Sec-E-Sensory biology step by step rules out the lookalikes and leaves COP1. Skip these: A) HY5; B) PhyA; D) LAF1. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.
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