![Vitamin B12 (Cobalamin) is only synthesized by](https://www.gkseries.com/blog/wp-content/uploads/2022/01/Vitamin-B12-Cobalamin-is-only-synthesized-by.png)
Q. Vitamin B12 (Cobalamin) is only synthesized by
A. fishes
B. micro-organisms
C. plants
D. animals
Answer: micro-organisms
A. fishes
B. micro-organisms
C. plants
D. animals
Answer: micro-organisms
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