**REVIEW CATALOG** Undergraduate Catalog 2027-2028
**REVIEW CATALOG** Undergraduate Catalog 2027-2028 > Course Descriptions > BIO - Biology > 400 > BIO 448
Causes and mechanisms of disease at the molecular, cellular, and tissue levels. Cellular homeostasis and adaptive mechanisms, histopathology, toxins/toxicants, infectious disease, senescence, and target tissues.
Credit allowed for only one of these courses: BIO 448 and BIO 578
Differential Tuition Required