Question

Which organisms are used for High yield of vitamin B12.

a)Unicellular Bacteria.
b)Genetically modified bacteria.
c)Multi cellular organisms.
d)Viruses.​

Answer 1

Answer:

Vitamin B12 biosynthesis is restricted to microorganisms. Most of the steps in the biosynthesis of vitamin B12 have been characterized in Pseudomonas denitrificans, Salmonella typhimurium and Propionibacterium freudenreichii.

Answer 2

Answer:

a

Explanation:

Industrial production of B12 is achieved through fermentation of selected microorganisms. Streptomyces griseus, a bacterium once thought to be a fungus, was the commercial source of vitamin B12 for many years. The species Pseudomonas denitrificans and Propionibacterium freudenreichii subsp.