+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is the analogue of valine?

(a) Isoleucine

(b) Trifluoroleucine

(c) Leucine

(d) Cephamycin

The question was posed to me by my school teacher while I was bunking the class.

My question is taken from Improvement of Industrial Microorganisms in division The Isolation, Preservation and Improvement of Industrial Microorganisms of Fermentation Technology

1 Answer

+2 votes
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Best answer
Right choice is (b) Trifluoroleucine

The best I can explain: The analogue of valine is trifluoroleucine. The mutants of Streptomyces lipmanni were resistant to trifluoroleucine. Here, Cephamycin is an antibiotic that mainly fights against gram-negative bacteria.

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