If Auxin Failed to Lose a Proton (And So Never

question 39

Multiple Choice

If auxin failed to lose a proton (and so never became negatively charged) in a cell's cytoplasm, how would its failure to lose a proton affect auxin transport and the development of new xylem and phloem?

• A)Auxin would remain sequestered in the cells where it was produced.
• B)Auxin may move between cells (via diffusion), but not in a directed manner.
• C)New xylem and phloem would continue to form normally.
• D)New xylem and phloem would be malformed or not form at all.

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