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#EIN2

1 public question tagged with this topic.

EIN2 is localized to:

Correct option is C, ER membrane. In Ethylene problems like this, the accurate statement is ER membrane; the others are common mix-ups. Not these: A) Nucleus; B) Cytosol; D) Chloroplast. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.