Which of the following is NOT a function of Vitamin B12?

Vitamin B12 plays several crucial roles in the body, and understanding these roles can clarify why one particular option does not align with the functions of this vitamin.

Vitamin B12 is essential for the synthesis of nucleic acids, which are vital for DNA and RNA production. This function supports cell division and overall cellular health. Additionally, it is important in the maintenance of myelin, the protective sheath around nerves, which is critical for proper nerve function and communication. Furthermore, Vitamin B12 is involved in the formation of red blood cells; it helps prevent megaloblastic anemia, characterized by large and immature red blood cells.

On the other hand, the conversion of glucose to glycogen is a metabolic process primarily associated with carbohydrates and involves different enzymes and hormones, particularly insulin, rather than directly with Vitamin B12. This distinction makes it clear why this choice does not represent a function of Vitamin B12. Understanding these specific roles can help in recognizing the broader importance of B12 in nutrition and health.