Practice question
Question
Phloem unloading at sink tissues is generally:
Explanation
That points to B: Energy dependent. Compared with the other options, Energy dependent is the one that correctly describes the PHLOEM TRANSLOCATION concept. The wrong ones are A) Passive only; C) Always diffusion driven; D) Independent of metabolism. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.
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