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Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct?

1. Yeast - statins
2. Acetobacter aceti - acid
3. Clostridium butylicum - lactic acid
4. Aspergillus niger - citric acid

Correct answer: Clostridium butylicum - lactic acid

Solution

Clostridium butylicum is not a lactic acid producer; it is associated with butyric acid and related fermentative products. The other pairings are standard industrial microbiology matches: Acetobacter aceti for acetic acid, Aspergillus niger for citric acid, and yeast for statin production.

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