Chemistry of amino acids, carbohydrates, lipids and nucleic acids, with special emphasis on representative proteins and enzymes, including hemoglobin, cytochrome c and chymotrypsin. [Offered: W,S] Prereq: CHEM 264 or 28/262; Honours Biochemistry, Biology, Chemistry or Environmental Science. Antireq: CHEM 237, NE 224, PHYS 380