Practice question
Question
In darkness, GA promotes hypocotyl elongation by:
Explanation
Pick B: Degrading DELLA. Thinking through Gibberellins step by step rules out the lookalikes and leaves Degrading DELLA. Skip these: A) Activating HY5; C) Inhibiting PIF; D) Repressing GA biosynthesis. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.
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