Practice question
Question
Type-I phytochromes are characterized by being:
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.