Answer
Amino acids are the building blocks of proteins. All proteins are constituted of amino acids when the amino acids link together with peptide bonds.
Work Step by Step
1. Proteins are made up of small units called amino acids.
2. Amino acids link together in a chain when water molecules are removed.
3. The links which form such a chain are called peptide bonds.
4. Small proteins are called peptides, but all proteins - whatever their size or complexity - are comprised of amino acid chains linked by peptide bonds.
