The main difference between peptides and peptones is that peptides are short chains of amino acids linked by peptide bonds whereas peptones are a class of peptides, the result of the proteolysis of animal milk or meat. ... However, peptones contain fats, salts, metals, vitamins, etc.

What substance contains peptide bonds?

Polypeptides and proteins are chains of amino acids held together by peptide bonds, as is the backbone of PNA.

What are examples peptide bonds?

For instance, a dipeptide is a peptide made up of two amino acids. A tripeptide is a peptide consisting of three amino acids. ... The other peptide bond is the isopeptide bond, i.e. a peptide bond formed between the carboxyl group and an amino group of joining amino acids at position other than the alpha.