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Question

ZEITLUPE (ZTL) is primarily involved in:

Options

Choose one · Correct answer highlighted

Explanation

Go with B — Circadian rhythm regulation. Under PSS-Sec-E-Sensory biology, 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) Phototropism; C) Stomatal opening; D) Chloroplast movement. When two options sound similar, choose the one that matches the textbook definition most tightly.