What is the role of zinc in nutrition?

Zinc plays a crucial role in several physiological processes, making it an essential mineral in nutrition. It is particularly known for facilitating immune function, which helps the body defend against infections and diseases. Additionally, zinc is vital for wound healing, as it contributes to cellular repair and regeneration. Another important function of zinc is its involvement in DNA synthesis, which is essential for cell division and overall growth. These roles highlight zinc's importance in maintaining overall health and supporting fundamental biological processes, which is why the option is the most accurate representation of zinc's nutritional significance.