CHEM 6B. Introduction to Organic and Biological Chemistry. Introduction to structure and properties of the major classes of organic compounds; introduction to nomenclature and to the fundamental concepts of reaction mechanisms and stereochemistry; the chemistry and metabolism of carbohydrates, lipids, proteins (including enzymes); the chemistry of nucleic acids. Does not fulfill the requirement for more advanced study in chemistry and cannot be counted toward a major or minor in chemistry. Lecture three hours; discussion one hour; laboratory three hours. Prerequisite: CHEM 1A or CHEM 6A, or a high school chemistry course and passing a qualifying exam given in the first laboratory period. Graded: Graded Student. Units: 5.0