Experiments, analysis, and writing in the field of molecular biology. Investigate hands-on protein-DNA binding, protein domain structure and function, differential gene expression, protein localization. Utilize techniques including genetic transformation, gel mobility shift assays, Western and Northern blotting, PCR, RT-PCR, microarrays, immunolocalization, DNA sequencing. Learn how to evaluate procedures and results and to organize them into clear, publication-quality scientific papers. Especially helpful for students who wish to maximize the benefits of subsequent or concurrent independent study experiences. Not open to students who have taken Biology 214L. Prerequisite: Biology 201L.