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Practice question

Question

During photomorphogenesis, HY5 protein levels are:

Options

Choose one · Correct answer highlighted

Explanation

High (C) is correct here. This is core PHYTOCHROME: once you know the definition or pathway step, High is the clear fit. The wrong ones are A) Low; B) Absent; D) Unchanged. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.