Multiple choice

The essential mineral for the formation of body protein is

  1. Sodium

  2. Iron

  3. Sulphur

  4. Potassium

  5. Magnesium

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

Sulfur is an essential mineral contained in amino acids cysteine and methionine, which are necessary for protein synthesis. While sodium, iron, and potassium are important minerals, they are not specifically required for protein structure formation. Proteins contain sulfur but not the other listed elements as structural components.