MCAT Topics
This is every concept the MCAT tests, organized into 32 areas. Each area shows you what the exam actually focuses on and where real students lose points — not because the material is obscure, but because specific misconceptions go uncorrected. Use this as a map before you study, and come back when something isn't clicking.
Translational Motion, Forces, Work, and Energy
Kinematics, Newton's laws, work, and energy conservation — physics passages on the CARS and science sections both assume fluency here.
Fluids in Circulation and Gas Exchange
Bernoulli's equation, Poiseuille's law, and gas exchange — directly maps onto cardiovascular and respiratory physiology questions.
Electrochemistry and Electrical Circuits
Redox reactions, electrochemical cells, and circuit rules — connects chemistry and physics in ways the MCAT exploits with paired passages.
Light, Sound, and Sensory Optics
Wave behavior, geometric optics, and the physics of hearing and vision — sensory system questions often require these physics foundations.
Atomic Structure and Nuclear Phenomena
Electron orbitals, radioactive decay, and half-life calculations — lower yield but decay problems appear more predictably than students expect.
Water and Solutions
pH, buffers, solubility, and colligative properties — six high-yield topics that appear across biology, chemistry, and physiology passages.
Nature of Molecules and Intermolecular Interactions
Bond polarity, IMFs, and how molecular structure determines physical properties — foundational for understanding why reactions and separations work.
Separation and Purification Methods
Chromatography, electrophoresis, and centrifugation — lab technique passages rely on knowing what each method actually separates and why.
Biologically Relevant Molecules and Organic Reactivity
Functional group reactivity, stereochemistry, and carbohydrate and lipid chemistry — organic chemistry on the MCAT is almost entirely biological context.
Thermodynamics and Kinetics
Gibbs free energy, equilibrium, reaction rates, and catalysis — eight high-yield topics that underpin both chemistry and biochemistry reasoning.
Proteins and Amino Acids
Amino acid properties, protein structure levels, and enzyme kinetics — biochemistry questions live here more than anywhere else.
Gene Expression — Gene to Protein
DNA to mRNA to protein: the full pathway, including regulation, splicing, and translation mechanics the exam loves to test.
Heredity and Genetic Variation
Mendelian ratios, linkage, and mutation types — pedigree questions and Hardy-Weinberg problems both draw from this area.
Bioenergetics and Metabolism
Glycolysis through oxidative phosphorylation, plus fatty acid and amino acid metabolism — the highest misconception count in biochemistry for a reason.
Cellular Assemblies and Membranes
Phospholipid bilayers, membrane proteins, and vesicular transport — cell structure questions consistently hinge on these concepts.
Prokaryotes and Viruses
Bacterial genetics, viral replication cycles, and horizontal gene transfer — low high-yield count but shows up in passage contexts constantly.
Cell Division, Differentiation, and Specialization
Mitosis, meiosis, and the checkpoints that control them — errors here explain cancer biology questions on the exam.
Nervous and Endocrine Systems
Action potentials, synaptic transmission, and hormone signaling — two systems the MCAT tests together because they coordinate the same physiological responses.
Integrative Organ Systems
Heart, lungs, kidneys, GI, immune, and musculoskeletal — the largest area by topic count and the one most passage questions are built around.
Sensation and Perception
Transduction, signal processing, and perceptual thresholds — psychology passages treat sensation and neuroscience as the same topic, so you should too.
Cognition, Learning, Memory, and Language
Memory systems, learning theory, language, and problem-solving — the most topic-dense psych area and a reliable source of passage material.
Emotion, Stress, and Physiological Response
Limbic system, stress hormones, and the physiological cascade of fear and arousal — small area but connects biology and psychology questions directly.
Individual Influences on Behavior
Personality theories, motivation, attitudes, and psychological disorders — individual-level psych questions almost always trace back to something here.
Research Methods and Biostatistics
Study design, statistical tests, validity, and data interpretation — every MCAT passage has embedded methods content, whether it labels it or not.
Social Processes Influencing Behavior
Socialization, conformity, group dynamics, and cultural influence — six high-yield topics that explain how context shapes individual behavior.
Attitudes and Behavior Change
Cognitive dissonance, persuasion, and behavior modification — small area with outsized representation in socially framed passage questions.
Self-Identity and Identity Formation
Self-concept, identity development, and theories from Erikson to Tajfel — exam questions about identity almost always reference a named framework.
Social Thinking
Attribution, bias, and how people explain others' behavior — social cognition errors like fundamental attribution error are tested by name.
Social Interactions
Norms, roles, groups, and intergroup conflict — behavior in social contexts is distinct from individual psychology and the exam treats it that way.
Social Structure
Institutions, stratification, bureaucracy, and sociological theory — the structural lens the exam uses to frame health disparities and policy passages.
Demographic Characteristics and Processes
Population growth, age structure, and migration patterns — no high-yield topics, but demographic data appears in health-focused passages regularly.
Social Inequality and Health Disparities
Race, class, gender, and how structural disadvantage produces health outcome differences — passages on health disparities almost always require this framework.
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