Practice question
Question
Ethylene receptors are localized on:
Explanation
Go with C — ER membrane. Under Ethylene, 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) Plasma membrane; B) Nuclear membrane; D) Tonoplast. When two options sound similar, choose the one that matches the textbook definition most tightly.