EE BIOL 121Molecular Evolution
Ecology and Evolutionary Biology · 4 units · Undergraduate upper division (100-199)
Molecular biology, with emphasis on evolutionary aspects. DNA replication, RNA transcription, protein synthesis, gene expression, and molecular evolution.
Letter grading.
When it runs
- Fall 2025
- Fall 2026
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
Official UCLA wording
Requisites: Life Sciences 3, 4, and 23L, or 7A and 23L.
BruinTree reads · Prerequisite
needs reviewconfidence 0.45 · from text- all of
- · "LIFESCI 3" is not in this catalog version
- · "LIFESCI 4" is not in this catalog version
- · "LIFESCI 23L" is not in this catalog version
- · "LIFESCI 23L" is not in this catalog version
- · mixed comma-level AND/OR in "Life Sciences 3, 4, and 23L, or 7A and 23L" — grouping is a best reading
Requires
Everything that has to come before this course, not just the courses named in the requisite above.
EE BIOL 121
- LIFESCI 7ACell and Molecular Biology
1 direct requisite. The whole upstream is here — 1 course over 1 level. Every course here opens its own tree.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
No course in the catalog lists this as a requisite.