An exploration of genetic engineering that examines DNA, RNA, and proteins; and discusses structures, behaviors, and how chemistry and physics allow organic molecules to build tissues, organs, and organisms.
Presents information on the meat and protein food group of the USDA Food Guide Pyramid, describing various sources of protein and how they are prepared.
Discusses the importance of protein to the human body, explains what protein is, and examines where it comes from, how it is digested and used by the body, and the consequences of too much or too little protein.