Practice question
Question
Polar auxin transport is characterized by which correct features?
Explanation
Correct option is D, Mediated by membrane carriers. In Phytohormone ALL problems like this, the accurate statement is Mediated by membrane carriers; the others are common mix-ups. Not these: A) Symplastic only; B) Faster than phloem flow; C) Specific for active auxins. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.
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