Modern techniques in experimental biochemistry and molecular biology. Experiments include enzymology, protein purification, and gene expression and organization. Methods include spectrophotometry, polymerase chain reaction, DNA cloning, electrophoresis, protein detection by immunoblot, RNA hybridization, and computer analysis of DNA and protein sequence data. Manipulation of animal, plant, yeast, and bacterial systems. This course is Part I of the Junior Year Writing Requirement for Biochem majors.