The document discusses the structure and formation of proteins. It explains that amino acids join through condensation reactions to form peptide bonds, releasing a water molecule. Multiple peptide bonds form polypeptide chains of varying lengths that fold into unique 3D shapes to serve as functional proteins, such as structural, storage, transport, hormonal, receptor, contractile, defensive, and enzymatic proteins. Common food sources of protein are also mentioned.

1. Protein Exhibition By: Alyssa Walter, Jason Snook, Meredith Zimmer, Ben Moyer

2. Structure of an Amino Acid

3. Examples of Different Amino Acids Serine Cysteine

5. Peptide Bond

8. Polypeptides

11. Sources of Protein (food)