Practice question
Question
PCMBS inhibits phloem loading by blocking:
Explanation
That points to B: Apoplastic sucrose transport. Compared with the other options, Apoplastic sucrose transport is the one that correctly describes the PHLOEM TRANSLOCATION concept. The wrong ones are A) Symplastic pathway; C) Photosynthesis; D) Xylem flow. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.
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