Hardest MCDB classes at UCSB
Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.
- MCDB 21 Average GPA 2.45, 1,109 students
- MCDB 20 Average GPA 2.50, 1,525 students
- MCDB 1A: INTRO BIOLOGY I Average GPA 2.59, 20,684 students
- MCDB 26: CONTEMP NUTRITION Average GPA 2.60, 1,142 students
- MCDB 1B: INTRO BIOLOGY II--P Average GPA 2.63, 18,238 students
- MCDB 118: PLANT DEVELOPMENT Average GPA 2.73, 357 students
- MCDB 132 Average GPA 2.76, 1,259 students
- MCDB 111: HUMAN PHYSIOLOGY Average GPA 2.77, 5,566 students
- MCDB 6: MOL CELL BRAIN SCI Average GPA 2.78, 2,988 students
- MCDB 131: GEN MICROBIOLOGY Average GPA 2.78, 2,541 students
- MCDB 139 Average GPA 2.79, 887 students
- MCDB 23 Average GPA 2.81, 718 students
- MCDB 108A: BIOCHEM STRUCT/FUNC Average GPA 2.82, 4,609 students
- MCDB 103: CELL BIOLOGY Average GPA 2.83, 2,822 students
- MCDB 1AL Average GPA 2.84, 10,106 students
- MCDB 101A: MOLEC. GENETICS I Average GPA 2.87, 10,733 students
- MCDB 110: PRIN OF BIOCHEM Average GPA 2.91, 4,010 students
- MCDB 108B: BIOCHEM ENZ/METAB Average GPA 2.91, 3,742 students
- MCDB 27 Average GPA 2.91, 373 students
- MCDB 101B: MOLEC GENETICS II Average GPA 2.94, 7,657 students
- MCDB 133 Average GPA 2.94, 1,661 students
- MCDB 126A Average GPA 3.00, 779 students
- MCDB 126B Average GPA 3.01, 902 students
- MCDB 126C Average GPA 3.01, 538 students
- MCDB 126: BASIC PHARMACOLOGY Average GPA 3.02, 542 students
- MCDB 1BL Average GPA 3.06, 5,396 students
- MCDB 123 Average GPA 3.06, 752 students
- MCDB 153: DEVELOP NEUROBIO Average GPA 3.08, 2,426 students
- MCDB 151: NEUROBIOLOGY I Average GPA 3.10, 2,517 students
- MCDB 134: GEN ANIMAL VIROLOGY Average GPA 3.11, 1,790 students
- MCDB 132L Average GPA 3.18, 669 students
- MCDB 108C: BIOCHEM COMP/SYST Average GPA 3.21, 2,367 students
- MCDB 152 Average GPA 3.27, 383 students
- MCDB 112 Average GPA 3.29, 2,642 students
- MCDB 229: PROTEIN BIOCHEM Average GPA 3.35, 238 students
- MCDB 103L Average GPA 3.43, 695 students
- MCDB 135: CELL GROWTH/ONCOGEN Average GPA 3.44, 2,612 students
- MCDB 223 Average GPA 3.44, 148 students
- MCDB 230 Average GPA 3.50, 159 students
- MCDB 131L: MICROBIOLOGY LAB Average GPA 3.53, 1,432 students
- MCDB 140L: RECOMBINANT DNA Average GPA 3.55, 917 students
- MCDB 126BL Average GPA 3.55, 718 students
- MCDB 225 Average GPA 3.55, 169 students
- MCDB 133L: IMMUNOBIOLOGY LAB Average GPA 3.57, 245 students
- MCDB 170: PROGRAMMING IN BIO Average GPA 3.58, 390 students
- MCDB 138 Average GPA 3.59, 184 students
- MCDB 126AL: PHARMACOLOGY LAB I Average GPA 3.61, 729 students
- MCDB 146: STEM CELL BIO HLTH Average GPA 3.61, 662 students
- MCDB 220B Average GPA 3.65, 146 students
- MCDB 109L: LAB IN BIOCHEMISTRY Average GPA 3.66, 597 students
- MCDB 172 Average GPA 3.67, 163 students
- MCDB 220A Average GPA 3.73, 161 students
- MCDB 101L: MOLEC GENETICS LAB Average GPA 3.74, 393 students
- MCDB 136H Average GPA 3.76, 106 students
- MCDB 1LL: INTRO BIOLOGY LAB I Average GPA 3.77, 6,763 students
- MCDB 28 Average GPA 3.77, 262 students
- MCDB 220C Average GPA 3.83, 158 students
- MCDB 112L Average GPA 3.85, 1,081 students
- MCDB 92: SPECIAL TOPICS Average GPA 3.87, 237 students
- MCDB 161L Average GPA 3.91, 149 students
- MCDB 235 Average GPA 3.93, 152 students
- MCDB 194DT Average GPA 3.93, 141 students
- MCDB 108AH: BIOCHEM STRUCT/FUNC Average GPA 3.94, 102 students
- MCDB 595X Average GPA 3.95, 234 students
- MCDB 90A Average GPA 3.95, 108 students
- MCDB 133H Average GPA 3.97, 215 students
- MCDB 260: STRAT MCD BIO Average GPA 3.98, 1,123 students
- MCDB 596: DIRECTED READ RSRCH Average GPA 3.98, 566 students
- MCDB 112H Average GPA 3.98, 222 students
- MCDB 221: RESEARCH PROPOSALS Average GPA 3.98, 154 students
- MCDB 199: INDEPENDENT STUDIES Average GPA 3.99, 1,061 students
- MCDB 101BH: GENETICS II, HONORS Average GPA 3.99, 244 students
- MCDB 194ZM: CELL BIOLOGY TOPICS Average GPA 3.99, 153 students
- MCDB 101AH: GENETICS I - HONORS Average GPA 4.00, 406 students
- MCDB 135H: ONCOGENESIS HONORS Average GPA 4.00, 267 students
- MCDB 194BG Average GPA 4.00, 184 students
- MCDB 153H Average GPA 4.00, 182 students
- MCDB 194KF: SCI FOR COMMON GOOD Average GPA 4.00, 161 students
See also: Easiest classes, UCSB course catalog, MCDB course catalog.