Practice question
Question
Which E3 ubiquitin ligase represses photomorphogenesis in darkness?
Explanation
The right choice is B: COP1. In PSS-Sec-E-Sensory biology, that matches how the process or concept actually works — the other choices mix up related ideas or use the wrong mechanism. Skip these: A) HY5; C) SPA1; D) BIN2. A quick check: if an option needs energy, pumps, or the opposite direction of movement, ask whether that really applies.
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