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Question

Phototropin receptors are mainly localized on:

Options

Choose one · Correct answer highlighted

Explanation

C fits best: Plasma membrane. Keep the Phototropin+All basics straight and Plasma membrane stands out as the precise answer. Avoid: A) Nucleus; B) Chloroplast envelope; D) Cell wall. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.