Multiple choice

Which deficiency is required by all cells; plays a role in many enzymatic reactions?

  1. Vitamin A

  2. Vitamin E

  3. Selenium

  4. Zinc

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Zinc is an essential micromineral required by every cell in the body, serving as a cofactor for hundreds of enzymatic reactions. It is crucial for immune function, protein synthesis, and wound healing.