Which vitamin is needed for deoxyribonucleic acid (DNA) synthesis and, when lacking, affects the development of rapidly dividing cells in bone marrow and epithelium?

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Vitamin B₁₂ is needed for deoxyribonucleic acid (DNA) synthesis and, when lacking, affects the development of rapidly dividing cells in bone marrow and epithelium. Thiamin is needed for energy metabolism and is important in nerve function. Riboflavin is needed for energy metabolism and is important for vision and skin health. Vitamin C is an antioxidant. It is needed for protein metabolism and is important for immune system health and iron absorption.

Which Vitamin Is Needed for Deoxyribonucleic Acid (DNA) Synthesis And