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Practice question

Question

Type-I phytochromes are characterized by being:

Options

Choose one · Correct answer highlighted

Explanation

Go with B — Dark stable. Under PHYTOCHROME, this is the standard explanation you’d use in class: it names the real driver or definition, while the rest are nearby but wrong. Not these: A) Light stable; C) Only nuclear; D) Only cytoplasmic. When two options sound similar, choose the one that matches the textbook definition most tightly.