The Department of Biochemistry and Molecular Biology (BMB) is administered jointly by the Colleges of Natural Science, Human Medicine, and Osteopathic Medicine. Study for the Doctor of Philosophy or Master of Science degree with a major in biochemistry and molecular biology may be administered by any one of the three colleges referenced above. Study for the Doctor of Philosophy degree with a major in biochemistry and molecular biology—environmental toxicology is administered by the College of Natural Science. Areas of active research in the Department are extensive and diverse. Such areas include plant biochemistry, computational biology, structural biology, eukaryotic and prokaryotic molecular biology, membrane biochemistry and signaling mechanisms, genomics, proteomics, intermediary metabolism and metabolic regulation, and mechanisms of enzyme catalysis.