BIOL 3421 — Microbiology
4 semester hoursUndergraduateLectureNUpath WIusually offered: fall, springtypical days: M/WBostonTraditional
Introduces morphological, ecological, and biochemical consideration of representative groups of bacteria. Introduces virology and microbial genetics; host-parasite relationships, prokaryotes of medical significance; and physical and chemical controls of microbial growth.
Prerequisites
- BIOL 2301 (min D-)
Corequisites (same term)
Offering history
| Term | Sections | Enrolled | Capacity | Full | Open seats/section |
|---|---|---|---|---|---|
| Fall 2023 | 2 | 93 | 96 | 97% | 1.5 |
| Spring 2024 | 2 | 86 | 84 | 102% | 0.0 |
| Fall 2024 | 2 | 94 | 96 | 98% | 1.0 |
| Spring 2025 | 2 | 92 | 84 | 110% | 0.0 |
| Fall 2025 | 2 | 87 | 96 | 91% | 4.5 |
| Spring 2026 | 2 | 85 | 84 | 101% | 0.0 |
Snapshots from scheduled scrapes — not live seat availability. "Full" can exceed 100% when sections over-enroll.
Meeting times
Share of recent sections by weekday: M 52% · T 24% · W 51% · Th 34% · F 31%
Common patterns: MWR (34% of sections), TF (24% of sections), M (18% of sections), W (17% of sections), F (7% of sections) — in patterns, R means Thursday
Professors
Fall
- Diviya Ray (53% of students) · reviews
- Yunrong Chai (33% of students) · reviews
- Lianyong Wang (14% of students) · reviews
Spring
- Diviya Ray (51% of students) · reviews
- Nikolaos Soukos (33% of students) · reviews
- Yunrong Chai (16% of students) · reviews
Percentages are each professor's average share of the season's enrolled students in recent terms.
Unlocks
Courses that list BIOL 3421 in their prerequisites.
Links
Official catalog (BIOL course descriptions) · Student reviews on RateMyHusky · All BIOL courses · Plan it at numap.app