Practice question
Question
Which secondary metabolite class is nitrogen-free?
Explanation
Go with C — Terpenoids. Under PSS- Sec G- Sec metabolites, this is the standard explanation you’d use in class: it names the real driver or definition, while the rest are nearby but wrong. Not these: A) Alkaloids; B) Glucosinolates; D) All are nitrogenous. When two options sound similar, choose the one that matches the textbook definition most tightly.
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