Question

what biomolecule do enzymes belong to?
options: carbohydrate, protein, nucleic acid, lipid

Explanation:

Enzymes are biological catalysts, and most enzymes are proteins. Some RNA molecules (ribozymes) can also act as enzymes, but the majority of enzymes are proteins. So the biomolecule that enzymes (most of them) belong to is protein.

Answer:

B. Protein (assuming the options are labeled A - D as Carbohydrate, Protein, Nucleic Acid, Lipid respectively)