Which of the following metal is present in vitamin $B_{12}$ ?

Cobalt

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Copper

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Zinc

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Magnesium

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Solution

The correct option is A Cobalt
Vitamin B $_{12}$ is also referred to as cobalamin, because it contains a metal ion (cobalt). This makes it the largest and most complex vitamin of all. The vitamin can only be synthesized by bacteria and therefore is mainly present in animal products.

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Which of the following metal is present in vitamin B12?

The correct option is A CobaltVitamin B12 is also referred to as cobalamin, because it contains a metal ion (cobalt). This makes it the largest and most complex vitamin of all. The vitamin can only be synthesized by bacteria and therefore is mainly present in animal products.

Which of the following metal is present in vitamin $B_{12}$ ?

The correct option is A Cobalt
Vitamin B $_{12}$ is also referred to as cobalamin, because it contains a metal ion (cobalt). This makes it the largest and most complex vitamin of all. The vitamin can only be synthesized by bacteria and therefore is mainly present in animal products.