MCAT Structure (2026)

The MCAT (Medical College Admission Test) is the standardised admissions exam for US and Canadian medical schools, administered by AAMC. It is one of the longest standardised tests in the world at 7.5+ hours.

95 min

Chemical & Physical Foundations

59 questions — general chemistry, organic chemistry, physics, biochemistry

90 min

CARS (Critical Analysis)

53 questions — humanities and social science passages, no science knowledge required

95 min

Biological & Biochemical Foundations

59 questions — biology, biochemistry, organic chemistry

95 min

Psychological, Social & Biological Foundations

59 questions — psychology, sociology, biology

Highest-Yield Topics

  • Biochemistry: Amino acid structures, enzyme kinetics, metabolism (glycolysis, Krebs, oxidative phosphorylation) — appears in both Section 1 and 3
  • Molecular Biology: DNA replication, transcription, translation, gene regulation
  • Organ Systems: Cardiovascular, renal, respiratory, neuroendocrine — heavily tested in passages
  • Psychology/Sociology: Theories (Freud, Piaget, Kohlberg), social influence, health disparities
  • Physics: Fluids, circuits, optics, thermodynamics — usually appear as graph-based passage questions

CARS: The Section That Trips Most Pre-Meds

CARS (Critical Analysis and Reasoning Skills) is the hardest section for science-oriented students because there is no content to memorise — it tests pure reasoning from the passage alone.

  • Read for the author's argument, not for facts
  • Never bring outside knowledge — every correct answer is supported by the passage text
  • Practice 6–9 passages per day for 8+ weeks to build reading speed and argument identification
  • Jack Westin daily passages are the gold standard for CARS practice

Best MCAT Resources 2026

  • AAMC Full-Lengths (FL 1–4): The most predictive practice tests — do all 4 in the final 6 weeks
  • Kaplan / Princeton Review content books: For conceptual review of all four sections
  • Anki (pre-made Pepper/Zanki decks): Spaced repetition for amino acids, biochemical pathways, psychology terms
  • Blueprint / UWorld Qbanks: Passage-based practice at AAMC difficulty

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