Multiple choice

Which of the following macromolecules constitutes building up material in the body?

  1. Sugar

  2. Mineral salts

  3. Fat

  4. Protein

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

Proteins are the primary building materials for growth and repair of body tissues, making them essential macromolecules for building up the body. Sugars provide quick energy, mineral salts regulate various functions, and fats store energy and insulate organs.