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Very Short Answer Questions · Q3

Q.What is the microbial source of vitamin B12?

Maharashtra MsbshseTextbookSubjectiveImportance★★★★★
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✓ Free question

Vitamin B12 is manufactured commercially using the bacterium Pseudomonas denitrificans.

Step 1. Recall the vitamin-source table. The chapter lists specific microbial sources for commercially manufactured vitamins: vitamin B2 from Neurospora gossypii or Eremothecium ashbyi, vitamin B12 from Pseudomonas denitrificans, and vitamin C from Aspergillus niger.

Step 2. Match vitamin B12 to its source. Pseudomonas denitrificans is the organism specifically named for vitamin B12 production.

✓Final answer

Pseudomonas denitrificans

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