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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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CHEM 153ABiochemistry: Introduction to Structure, Enzymes, and Metabolism

Chemistry and Biochemistry · 4 units · Undergraduate upper division (100-199)

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Recommended: Life Sciences 2, 3, and 23L, or 7A. Structure of proteins, carbohydrates, and lipids; enzyme catalysis and principles of metabolism, including glycolysis, citric acid cycle, and oxidative phosphorylation.

P/NP or letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisite: course 14D or 30B, with grade of C– or better.

BruinTree reads · Prerequisite

confidence 1.00 · from text
grade C- or better in
  • one of
    • CHEM 14D
    • CHEM 30B

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About CHEM 153A. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

CHEM 153A

  • CHEM 14DOrganic Reactions and Pharmaceuticals
    • CHEM 14CStructure of Organic Molecules
      • CHEM 14BGeneral Chemistry for Life Scientists II7 more beneath
  • CHEM 30BOrganic Chemistry II: Reactivity, Synthesis, and Spectroscopy
    • CHEM 30AOrganic Chemistry I: Structure and Reactivity
      • CHEM 20BChemical Energetics and Change6 more beneath

2 direct requisites. Showing 6 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

CHEM 153A21 more beyond

  • CHEM 103Environmental Chemistry
  • CHEM C105Introduction to Chemistry of Biology
  • CH ENGR CM127Synthetic Biology for Biofuels
  • CHEM C108Mass Spectrometry for Chemists and Biochemists
  • CHEM CM127Synthetic Biology for Biofuels
  • FOOD ST M157Food: Molecules, Microbes, Environment
  • CHEM C138Natural Product Biosynthesis: Chemical Logic and Enzymatic Machinery
  • CHEM C150Research Integrity and Methods in Cellular Biology, Molecular Biology, and Biochemistry Research
  • MCD BIO M170Biochemistry and Molecular Biology of Photosynthetic Apparatus
  • CHEM 153BBiochemistry: DNA, RNA, and Protein Synthesis2 more beyond
    • CHEM 154Biochemical Methods II
    • CHEM C159Mechanisms of Gene Regulation
    • BIOL CH M259Mechanisms of Gene Regulation
    • CHEM C165Metabolic Control by Protein Modificationanother path to it
    • CHEM 166RNA Structure, Recognition, and Function
    • MCD BIO M170Biochemistry and Molecular Biology of Photosynthetic Apparatusanother path to it
    • CHEM CM170Biochemistry and Molecular Biology of Photosynthetic Apparatus
    • CHEM CM259Mechanisms of Gene Regulation
  • CHEM 153BHBiochemistry: DNA, RNA, and Protein Sythesis (Honors)
    • CHEM 154Biochemical Methods IIanother path to it
  • MIMG 107Viral Pathogenesis
  • CHEM 153CBiochemistry: Biosynthetic and Energy Metabolism and Its Regulation
    • CHEM C165Metabolic Control by Protein Modification
    • CHEM C265Metabolic Control by Protein Modification
    • CHEM 269AProtein Structure
    • CHEM 269BBiocatalysis and Bioenergetics
    • CHEM 269CNucleic Acid Structure and Catalysis
    • CHEM 269DMechanism and Regulation of Gene Expression
    • CHEM 269EBiomolecular Structure, Catalysis, and Regulation
  • CHEM 153CHBiochemistry: Biosynthetic and Energy Metabolism and Its Regulation (Honors)
  • PHYSCI 121Disease Mechanisms and Therapies

46 courses list this as a requisite. Showing 31 courses over 2 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • Fall 2025
  • Winter 2026
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Winter 2027
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.