protein Image and Videos
Protein images and videos to download, royalty free from Polymime Animation Company. Proteins are long-chain molecules built from small units known as amino acids. They are joined together with peptide bonds. They are biochemical compounds consisting of one or more polypeptides folded into a round or fibrous shape.  A single protein molecule may contain one or more of the protein structure types: primary, secondary, tertiary, and quaternary structure