The precursor used for production of vitamin B12 by Streptomyces olivaceus is Options: A . &nbspcobalt chloride B . &nbspcobalt sulphate C . &nbspcalcium chloride D . &nbspcalcium sulphate

The precursor used for production of vitamin B12 by Streptomyces olivaceus is

Question

The precursor used for production of vitamin B12 by Streptomyces olivaceus is

Options:

A . cobalt chloride

B . cobalt sulphate

C . calcium chloride

D . calcium sulphate

Answer: Option A
Answer: (a).cobalt chloride

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