Which vitamin is known as B-12?

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Multiple Choice

Which vitamin is known as B-12?

Explanation:
The vitamin known as B-12 is cobalamin. The name comes from the cobalt ion at the center of its structure, which is why it’s called cobalamin. The other vitamins listed are different B vitamins: niacin is B3, riboflavin is B2, and thiamine is B1. Cobalamin functions as a cofactor for essential reactions involved in DNA synthesis and nervous system function, including converting homocysteine to methionine and enabling metabolism of certain fats and proteins. Because of its unique structure and absorption requirements, B-12 deficiency can cause megaloblastic anemia and neurological symptoms. This is why cobalamin is the correct identification for B-12.

The vitamin known as B-12 is cobalamin. The name comes from the cobalt ion at the center of its structure, which is why it’s called cobalamin. The other vitamins listed are different B vitamins: niacin is B3, riboflavin is B2, and thiamine is B1. Cobalamin functions as a cofactor for essential reactions involved in DNA synthesis and nervous system function, including converting homocysteine to methionine and enabling metabolism of certain fats and proteins. Because of its unique structure and absorption requirements, B-12 deficiency can cause megaloblastic anemia and neurological symptoms. This is why cobalamin is the correct identification for B-12.

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