There are many different types of proteins that get made inside of human cells, including structure proteins, such as keratin and collagen, enzymes, and messenger proteins such as hormones. One large group that I forgot to mention, and that intrigues me the most, is the wide variety of different antibodies that get made in our blood cells. There are over a billion different types of antibodies that get made over the course of a lifetime, and each is able to identify antigens from foreign objects, such as viruses or bacteria, and elicits an immune response.

The amazing part of antibody production is the More >