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Iron, Zinc, Copper influence the production of ____________

(a) Protease

(b) Neomycin

(c) Citric acid

(d) Penicillin

The question was asked in an internship interview.

Question is taken from Media for Industrial Fermentations topic in section Media for Industrial Fermentations of Fermentation Technology

1 Answer

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Best answer
Right answer is (d) Penicillin

Easiest explanation: Ferrous, Copper and Zinc are the trace elements that influence the production of Penicillin. Penicillin is an antibiotic which helps in the bursting cell wall of bacteria, i.e., cell lysis.

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