Which vitamin is also known as cobalamin?

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Multiple Choice

Which vitamin is also known as cobalamin?

Explanation:
Cobalamin is vitamin B12. The name comes from the cobalt atom at the center of its structure, which is why the molecule is termed cobalamin in chemistry. In nutrition, this vitamin is known as B12, and it plays key roles in DNA synthesis, red blood cell formation, and myelin maintenance. The other options are different vitamins—Biotin is B7, pantothenic acid is B5, and folic acid is B9—each with distinct functions, but none is the same as cobalamin.

Cobalamin is vitamin B12. The name comes from the cobalt atom at the center of its structure, which is why the molecule is termed cobalamin in chemistry. In nutrition, this vitamin is known as B12, and it plays key roles in DNA synthesis, red blood cell formation, and myelin maintenance. The other options are different vitamins—Biotin is B7, pantothenic acid is B5, and folic acid is B9—each with distinct functions, but none is the same as cobalamin.

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