Prerequisite: CHEM 461 or instructor consent. Corequisites: CHEM 462L. Continuation of CHEM 461, the second part of a two-semester biochemistry lecture series designed for biochemistry majors, including discussion of photosynthesis, amino acid metabolism, lipoproteins, metabolic interrelationships and regulation, information transfer and signal transduction. Lab includes experiments involving gel filtration, ATP biosynthesis, isolation and characterization of phospholipids, reactions of lipolytic enzymes, mitochondrial dehydrogenases, isolation of DNA, study of restriction enzymes and polymerase chain reaction. 3 hours lecture per week; one 3-hour lab per week.