Practice question
Question
Intermediate formed from methionine during ethylene biosynthesis is:
Explanation
Correct option is B, SAM. In Ethylene problems like this, the accurate statement is SAM; the others are common mix-ups. Not these: A) IAA; C) ACC; D) Ethane. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.
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