Multiple choice

Which of the following nutrients are called the building blocks of life?

  1. Carbohydrates

  2. Fats

  3. Vitamins

  4. Proteins
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Proteins are called the building blocks of life because they form the structural components of cells and tissues, catalyze biochemical reactions as enzymes, and regulate bodily functions as hormones and antibodies. While carbohydrates and fats are essential, proteins perform the widest variety of life-sustaining functions.

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