Which of the following is best described as secondary metabolite?

Question: Which of the following is best described as secondary metabolite?
[A].

Acetic acid produced from the oxidation of ethanol

[B].

Ethanol from the fermentation of glucose

[C].

Penicillin

[D].

Citric acid from the partial oxidation of glucose

Answer: Option C

Explanation:

No answer description available for this question.