Chapter 3 - Related Web Sites

• ChemCenter, a site sponsored by the American Chemical Society, includes information on graduate programs, chemistry related news and events - even chemistry jokes.

• Carbon is the element of which the molecules of life are made. Carbon Chemistry describes the functions of carbon in living systems, carbon chemistry, the versatility of carbon, and how carbon skeletons vary.

• Under Large Molecules Chapter Directory, choose "The Structures and Functions of Proteins in Biological Systems." This module includes discussions on amino acids, peptide bonds, and primary through quaternary structure. "The Structures and Functions of Nucleic Acids in Biological Systems" focuses on DNA structure. Practice problems and a self-quiz are included.