lipids bonding to form phospholipids monomers bonding to form polymers amino acids bonding to form polypeptides saccharides bonding to form polysaccharides
I gave my students this multiple choice question: Which describes the composition of carbohydrates?

Only one answer is correct among these 4 choices:
- lipids bonding to form phospholipids
- monomers bonding to form polymers
- amino acids bonding to form polypeptides
- saccharides bonding to form polysaccharides

Could you tell me which one is correct?

saccharides bonding to form polysaccharides