Biology
Four semesters of BIOL 191, 192 (Molecular option may substitute with four semesters of CHEM 199)

Chemistry
Four semesters of CHEM 199

Computer Science
Four semesters of CSCI 193, 194, 195 and 196 (As of Fall 2010, only CSCI195 is offered)

Engineering
ENGR 121, 122, 123 and 124

Joint Chemistry & Biology
BIOL191, 192 and two semesters of CHEM 199 (fall and spring of same year)

Joint Computer Science & Mathematics
Two semesters of CSCI 193, 194, 195, 196 and one semester each of MATH 198 and 199

Mathematics
One semester each of MATH 198 and 199

Mathematical Biology
BIOL 191, 192 and two semesters of MATH 199 or one semester each of MATH 198 and 199

Mathematical and Computional Biology 
BIOL 191, 192, MATH 198, and one semester of "Joint" Colloquium

Physics
Four semesters of PHYS 195, 196