Multiple choice

Which of the following elements is the major constituent of proteins, vitamins, hormones and nucleic acids?

  1. Sulphur

  2. Calcium

  3. Potassium

  4. Nitrogen

  5. Magnesium

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

This is the correct option. Nitrogen is the major constituent of proteins, vitamins, hormones and nucleic acids.