Multiple choice

Enzymes are made of

  1. carbohydrates

  2. fats

  3. lipids

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

Enzymes are biological catalysts made primarily of proteins. They are composed of amino acids arranged in specific 3D structures that allow them to speed up biochemical reactions. While most enzymes are proteins, some RNA molecules also have catalytic activity (ribozymes), but in general, enzymes are protein-based.

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