Washington Esthetician State Board Practice Exam

What are enzymes primarily known for?

1. They absorb nutrients into the bloodstream

2. They provide energy to cells

3. They act as catalysts that break down food molecules

4. They store nutrients for future use

The correct answer is: They act as catalysts that break down food molecules

Enzymes are biological catalysts that facilitate chemical reactions in the body, particularly in the digestion of food. Their primary role is to break down complex food molecules into simpler forms, allowing the nutrients to be absorbed and utilized by the body efficiently. This catalytic activity is essential for metabolism and helps in converting food into energy, but enzymes themselves do not provide energy directly. Instead, through their action, they enable the body to extract energy from the food consumed. In the context of this question, the focus is on the catalytic role of enzymes in breaking down food molecules. They speed up the decomposition of carbohydrates, proteins, and fats during digestion, making it crucial for the body's overall function and health. Understanding this function of enzymes is particularly relevant for estheticians, as knowledge of how the body processes nutrients can inform skincare treatments and product formulations.