Breadcrumb Home Biology BIOL 4393 BIOL 4393: Special Topics in Biology Download as PDF Course Department Biology Credits 3 Course ID 002005 Course Component Special Topics Upper–division treatment of selected topics of mutual interest to the professor and students. Open only to biology majors. Prerequisite: BIOL 3321. Requisites BIOL 4393 Prerequisites (With Grade of 'C' or Better): BIOL 3321