Which mineral is involved in protein production, genetic material formation, wound healing, reproductive maturity, and immune health, and even affects taste perception?

• A. Copper
• B. Zinc
• C. Iron
• D. Selenium

Answer: (B)

Zinc is a critical trace mineral that supports many bodily functions because it acts as a cofactor for a wide array of enzymes and is essential for cell growth and gene expression. For protein production and genetic material formation, zinc is needed for DNA and RNA synthesis and for the proper function of transcription factors that regulate gene expression, often through zinc-binding sites that stabilize these proteins. In wound healing, zinc helps with immune cell activity, collagen synthesis, and cell proliferation, all of which are key to tissue repair. Reproductive maturity depends on zinc’s role in growth, development, and hormone-related processes that influence puberty and fertility. Immune health relies on zinc to support both innate and adaptive responses, including the function of barriers, macrophages, and T cells. Taste perception also requires zinc, as it participates in the function of taste buds and gustatory cells; deficiency can dull taste.

Among the minerals listed, zinc best fits all of these roles, whereas the others are important for separate but not all of these interconnected functions.