Question Detail
Question
To what category of macromolecules do most enzymes belong? a. Carbohydrates b. Lipids c. Steroids d. Proteins
Correct Answer
Option D is the correct answer.
Detailed Explanation
Most enzymes are proteins. They are biological catalysts that speed up chemical reactions in cells. Some RNA molecules (ribozymes) also have catalytic activity, but the vast majority are proteins.
Hint
These macromolecules are made of amino acids and have complex 3D shapes.