Monomers - amino acids Polymers - proteins are polymers! A monomer is a single molecule that can be joined together with other same molecules to form a polymer. The building blocks of proteins are amino acids, which contain elements such as H,N,O,C, and more. They are the monomers of the proteins. When hundreds or thousands of amino acids join together, they create proteins, which are then used for many tasks in organisms, such as doing work in cells, help with DNA replication, etc. So, the…