MCAT® Flashcards | MCAT Exam Prep

All the top science concepts tested by the official MCAT curriculum.
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The most efficient way to study for the MCAT®.

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Brainscape's MCAT® flashcards have been expert-curated and vetted to dramatically cut your study time IN HALF, helping you lock in the toughest MCAT topics more efficiently than any other study method. Whatever you're struggling with, Brainscape will identify your weaknesses and transform them into strengths.

The MCAT is a monster of an exam with an equal bearing on content knowledge and analytical, critical thinking skills. To do well, it’s crucial that you quickly learn and remember multiple science subjects’ worth of information. Brainscape’s web and mobile MCAT flashcards empower you to do that as fast and as painlessly as humanly possible!

What You Get with Brainscape’s MCAT Flashcards:

Brainscape’s MCAT flashcards have been created by our team of science supernerds in alignment with the official AAMC MCAT® test plan. At the helm of this team is MCAT test prep expert, Frameshift MCAT cofounder, and 100th-percentile scorer, Clara Gillan. With these flashcards, you get:

  • 4,200+ Flashcards with in-depth coverage of every MCAT science subject, cross-referenced with the latest AAMC test outline.
  • Peace of mind as they also include the most important concepts taught by the top MCAT prep courses, including Blueprint MCAT, Khan Academy, Princeton Review, MCAT Self Prep, Khan Academy, Gold Standard MCAT Review, and more.
  • High quality, recently-updated psychology, sociology, and biochemistry content.
  • A special focus on high-yield topics such as experimental design, analytic techniques, amino acids, and many more.
  • An MCAT expert-designed tiered system, which progressively tests each topic from simple definitions to the most complex examples and applications, mirroring how the material appears on the real exam.
  • A customized flashcard repetition algorithm that cuts your memorization time dramatically.
  • Ongoing feedback, statistics, and visualization tools to help you track your progress.

These MCAT flashcards aren’t just amino acid abbreviations and definitions of psych terms (although we have that, too!). They get to the heart of what the MCAT assesses, and how it assesses that content, from multiple decks dedicated to experimental design to extensive drilling on lab-focused concepts, like SDS-PAGE and amino acid titrations.

What Is The MCAT Exam And Why Does It Matter For Medical School Admissions?

The Medical College Admission Test (MCAT) is the gatekeeper exam for aspiring doctors. Created by the AAMC, it is designed to test not just what you’ve memorized, but how well you can apply scientific concepts, analyze data, and reason through problems. The exam has four sections:

  • Biological and Biochemical Foundations of Living Systems
  • Chemical and Physical Foundations of Biological Systems
  • Psychological, Social, and Biological Foundations of Behavior
  • Critical Analysis and Reasoning Skills (CARS)

Together, these sections make up 230 multiple-choice questions, scored on a 118–132 scale per section, for a total range of 472–528. Most medical schools look for scores above 510, and in a field where the acceptance rate hovers around 40%, every point can make a difference.

Because the MCAT covers such an enormous range of material (biology, chemistry, physics, psychology, sociology, and reading comprehension), many students feel overwhelmed trying to juggle it all. That’s where flashcardsshine.

Why Flashcards Are One Of The Best Tools For MCAT Preparation

When you’re staring down the MCAT’s mountain of content, it’s not enough to passively read a textbook and hope it sticks. You need a way to make your brain hold onto the information. That’s where flashcards come in.

Flashcards allow you to access three powerful learning principles: active recall, spaced repetition, and metacognition:

  • Active recall means compelling your brain to pull an answer out of memory without hints, like asking yourself, “What are the steps of glycolysis?” and listing them from scratch instead of just rereading them. This extra mental effort strengthens the memory and makes it easier to retrieve next time.
  • Spaced repetition is the science of timing those reviews so you see tricky concepts again right before you’re likely to forget them. Easy stuff gets shown less often, tough stuff pops up more.
  • Finally, there’s metacognition or “thinking about your thinking”. Every time you answer a flashcard question, the app will ask you to rate how well you knew the answer on a scale of 1 (not at all) to 5 (perfectly). This not only informs Brainscape’s spaced repetition algorithm how frequently to show you that card again, but it compels you to reflect on your knowledge. And the act of doing this has been shown to deepen knowledge retention.

Together, these three methods transform shaky short-term cramming into rock-solid long-term memory. Flashcards automate this process, taking the guesswork out of studying while doubling your memorization speed.

But we’re not quite done yet… flashcards also win on efficiency. You can study in short bursts on the bus, in line at the coffee shop, or between classes. Unlike a 500-page textbook, flashcards let you zero in on weak areas, drill the concepts you keep forgetting, and skip the stuff you already know.

Of course, textbooks, question banks, and review courses all have their place. They provide depth, context, and practice with the MCAT’s style of questioning. You need to spend time reading the course material first, but flashcards are the glue that keeps it in your brain. Flashcards lock in the formulas, pathways, and definitions so that when you sit down to take a full-length practice exam, every fact you need is within your grasp.

In other words, flashcards free up your brainpower for the higher-order thinking the MCAT demands, giving you more confidence on test day.

Proven Strategies For Studying And Retaining MCAT Content

The MCAT is less about brute memorization and more about smart studying. A strong study schedule is just as important as the methods you use. Most students prepare over 3 to 6 months, blending daily flashcard sessions with regular practice exams. Flashcards are perfect for reinforcing definitions, equations, and pathways, while practice tests train you to think critically under timed conditions. The balance ensures you know the content cold and can apply it under pressure.

When it comes to high-yield topics, give extra attention to the big hitters: amino acids in biology, acid-base chemistry, Newton’s laws in physics, and research methods in psychology and sociology. These areas appear again and again, so locking them in pays off on test day. Flashcards let you target these tricky details until they become second nature.

Finally, remember that consistency and time management matter more than marathon cramming sessions. Short, focused study blocks every day add up to massive progress over time. Treat studying like a workout: a regular routine builds endurance, while skipping weeks and trying to sprint at the end will only leave you drained.

Check out our complete guide on how to study for the MCAT.

Building A Comprehensive MCAT Study Plan With Flashcards

A solid MCAT study plan is like a training program: you need a mix of course study, practice exams, and focused memorization drills. Flashcards fit into this plan as your daily drills, keeping the fundamentals sharp while bigger study sessions handle the heavy lifting.

Start by setting daily goals. For example, commit to reviewing at least 30 cards a day across different subjects. Brainscape tracks your progress automatically, so you can see which areas are rock solid and which still need attention. By targeting your weak spots, you use your time more efficiently and avoid wasting hours on concepts you already know. You can make real progress in as little as 10 minutes a day!

Importantly, flashcards work best when paired with other study materials. Use your review books or prep course to learn content in depth. Then move to flashcards to lock that knowledge into memory. Add practice exams to train your endurance and test-taking skills.

One of the biggest benefits of flashcards is how they make preparation less overwhelming. Instead of staring down thousands of pages of dense material, you’re breaking the content into bite-sized chunks that are easier to master. Each study session advances your progress and lifts your motivation, even during the long grind of MCAT prep.

Your Journey To MCAT Success Begins Today

The MCAT is a marathon, not a sprint, and your success depends on mastering a mountain of content while keeping your focus sharp. That’s where Brainscape’s MCAT flashcards come in. By breaking down complex science, psychology, and reasoning concepts into manageable chunks, you can study smarter and retain more in less time. With our adaptive system, you’ll build confidence every day and walk into the MCAT exam thoroughly prepared to crush it on your first try.

Frequently Asked Questions On The MCAT Exam

How Long Is The MCAT Exam?

The MCAT takes about 7.5 hours, including breaks. It is one of the longest standardized tests and is designed to assess a wide range of scientific knowledge and critical thinking skills.

How Many Questions Are On The MCAT?

The exam includes 230 multiple-choice questions spread across four sections: Biological and Biochemical Foundations, Chemical and Physical Foundations, Psychological and Social Foundations, and Critical Analysis and Reasoning Skills.

How Is The MCAT Administered?

The MCAT is a computer-based exam offered only at authorized testing centers. It cannot be taken online or at home.

How Many Times Can You Take The MCAT?

You may take the MCAT up to three times in one testing year, four times in two consecutive years, and seven times in total over your lifetime.

Additional Resources for MCAT Learners

Browse these flashcards.

MCAT Biology

Biology is the #1 most tested subject on the MCAT. Master all of it, faster, with Brainscape.

Respiratory System and Tissues
Not only does the MCAT require a basic knowledge of respiratory function, but it also constantly relates it to other systems through concepts like the bicarbonate buffer, hemoglobin’s affinity for oxygen, and the immune role of the respiratory tract. Use these cards to master the respiratory system, as well as skin and other epithelial tissue types.
53  cards
Muscle and Skeletal System
From the neuromuscular junction to the role of calcium in smooth muscle contraction, use these cards to master the muscular and skeletal systems as they appear on the MCAT.
67  cards
Digestive System
From pepsin and trypsin to the role of lacteals, use these cards to master the digestive system as tested on the Biological & Biochemical Foundations section of the MCAT.
71  cards
Kidney and Excretory System
Always a favorite of MCAT test-makers, the excretory system can also be a major source of confusion. Use these cards to master filtration, reabsorption, and secretion, as well as hormone involvement and the complexity of the loop of Henle.
59  cards
Circulatory System
With the new MCAT’s increased focus on biology, understanding the circulatory system has become especially important. Use these cards to master MCAT favorites like the blood buffer and the Bohr effect, as they appear on the Biological & Biochemical Foundations section.
82  cards
Evolution
Having trouble remembering the difference between directional and disruptive natural selection? Can’t quite recall the definition of genetic drift? Use these cards to master evolution as tested on the Biological & Biochemical Foundations section of the MCAT.
63  cards
DNA and Protein Synthesis
DNA, RNA, and protein synthesis is a major topic in both biology and biochemistry. With these cards, you can master the content knowledge required to attack a complicated question or understand a dense experiment-based passage.
65  cards
Eukaryotic Cell
With the biological focus of the new MCAT, an understanding of eukaryotic cells is especially vital. Use these cards to familiarize yourself with microtubules and microfilaments, the phases of mitosis, and the various types of membrane transport. For enhanced practice, think about how these concepts relate to real-life topics like cancer and human aging.
88  cards
Microbiology
What’s the difference between conjugation, transformation, and transduction? What does it mean when we say that prokaryotes are polycistronic? Master these topics and much more, and gain that confidence you need for the Biological & Biochemical Foundations section of the MCAT.
53  cards
Nervous System
Topics like action potentials and the difference between sympathetic and parasympathetic activity are constant favorites of the MCAT test-makers. Use these cards to master these concepts as they are tested on the Biological & Biochemical Foundations section.
61  cards
Endocrine System
The MCAT requires an in-depth understanding of hormones, from the difference between peptides and steroids to their effects on other organ systems. Use these cards to master endocrine organs, specific hormones, and the complex interactions involved.
58  cards
Lymphatic and Immune Systems
Antibodies, antigens, macrophages, monocytes, neutrophils…the immune system is complicated, but understanding its components is essential for many MCAT questions and passages. This deck covers all of these topics, as well complex concepts like clonal selection and blood transfusions. Use these cards to master the lymphatic and immune systems as tested on the MCAT.
57  cards
Development
What’s the difference between pluripotent, totipotent, and multipotent? How can you relate a spermatogonium, a primary spermatocyte, and a spermatid? Use these cards to see how all of these topics connect, and you can master reproduction and development as tested on the MCAT.
66  cards
Genetics
Feeling a bit rusty with the Hardy-Weinberg equation? Having trouble remembering the difference between incomplete dominance and codominance? Use these cards to master Mendelian genetics as it appears on the Biological & Biochemical Foundations section.
68  cards
MCAT Psychology

Fun fact: after biology, psychology is the most frequently tested subject on the MCAT. Are you prepared?

Sensation and Perception
From the parts of the eye and ear to top-down versus bottom-up processing, sensation and perception can be daunting. Use these cards to get those topics and more down.
88  cards
Attention and Cognition
These cards will help you master attention, cognition, and language, from Piaget's stages to heuristics.
69  cards
Consciousness
The stages of sleep and consciousness-altering drugs are relatively "memorization-based" MCAT concepts. These cards should make that memorization a breeze.
56  cards
Memory
Memory (from its types to its dysfunctions) is tested a LOT on the MCAT. We've developed these cards to cover it thoroughly.
62  cards
Emotion and Stress
You might think you have James-Lange versus Cannon-Bard down, but do you really? Use these cards to practice that and much more.
68  cards
Biological Basis of Behavior
These cards cover neurotransmitters, parts of the brain, reflexes, and the wide array of other biological concepts that form the basis for MCAT psychology.
80  cards
Personality
This deck takes a very deep dive into the perspectives of personality, from trait theory to Freud and psychoanalytics. Use these cards to master this material inside and out.
34  cards
Psychological Disorders
The memorization-heavy content of MCAT-relevant psych disorders is well-suited for flashcards. Use these cards to get this content down!
47  cards
Group Psychology
From groupthink to group polarization and from deviance to socialization, this deck will help you master group-related psychology.
43  cards
Motivation and Attitude
Whether you're feeling motivated to study or would rather stare blankly at the wall, this deck will cover the full scope of MCAT content regarding motivation and attitude.
40  cards
Learning
Does learning about learning feel almost too meta for you, too? Anyway, this deck covers absolutely critical concepts, such as classical and operant conditioning.
59  cards
Self-Identity
"I study for the MCAT, therefore I am." Wait, that's not right. Anyway, use this deck to study aspects of identity from key concepts to developmental stages.
48  cards
Experimental Design
Experimental design is perhaps the single most important topic in MCAT P/S. Use this deck to master types of variables, reliability and validity, relevant statistical concepts, and more.
102  cards
MCAT Biochemistry

Newly revised, Brainscape's biochemistry content covers the full gamut of MCAT prep – from a truly staggering amount of amino acid review to metabolism to lipids.

Amino Acid Abbreviations
While we all know that the MCAT involves much more than just memorization, remembering the amino acid abbreviations is crucial. Review them here until you have them down!
36  cards
Amino Acid Properties
Take any practice exam and you'll notice the same trend: amino acid questions appear constantly. (In fact, they make up a huge fraction of BOTH the C/P and B/B sections.) From their structures and chemical behavior to titration curves and isoelectric focusing, these cards will help you thoroughly master amino acids.
100  cards
Proteins and Nucleic Acids
Are side chains directly involved in secondary structure? Does complete denaturation of tertiary structure require the reduction or the oxidation of disulfide bonds? Use this deck to cover these topics and so much more.
76  cards
Enzymes and Bioenergetics
Having trouble interpreting a Lineweaver-Burk plot, or understanding how uncompetitive and noncompetitive inhibition are different? Use these cards to master these concepts as well as many of biochem's most high-yield topics.
88  cards
Non-Enzymatic Protein Function
We often focus so heavily on enzymes that we forget that the MCAT tests non-enzymatic proteins, too. This deck covers binding proteins, motors, immune proteins, cytoskeletal fibers, and other proteins and related structures.
45  cards
Lipids
Lipid structure and metabolism (and particularly beta-oxidation) are often daunting because it's difficult to know which details are crucial and which would never be tested. Use this deck, created by a long-time MCAT expert, to guide you on that front.
63  cards
Metabolism
Without exaggeration, you could spend your entire life studying metabolism. We know you'd prefer not to do that, so we've created these 120 cards to dig deep into topics like glycolysis and the Krebs cycle when necessary while not obsessing over irrelevant details.
120  cards
Analytic Techniques
If you thought organic chemistry lab techniques were tough, wait until you see biochemical analytic techniques (which are also vastly more frequently tested). This deck was carefully designed to make learning those techniques as painless as possible.
80  cards
MCAT Gen. Chemistry

Brainscape is here to help you master MCAT Gen Chem faster than ever.

Atomic Structure
Bohr’s model, quantum numbers, stability…these concepts form the basis of general chemistry. This deck covers all of these topics, as well as the complexities of electron configuration and emission spectra. Use these cards to master the topic of electronic structure as tested on the MCAT.
38  cards
Periodic Table Trends
You’d be surprised how many MCAT questions simply require an understanding of the periodic table. But this can be tougher than it looks, and closely related topics like electron affinity, electronegativity, and ionization energy are easy to confuse. Use these cards to master periodic trends and ace these questions whenever you see them.
41  cards
Chemical Bonding
From sigma bonds and Lewis structure to lattice energy and molecular geometry, use these cards to master the topic of chemical bonding as tested on the MCAT.
64  cards
Phases
How does a dissolved solute affect the vapor pressure of water? When does a gas most closely mimic ideal behavior? Master these topics and much more, and gain that confidence you need for the Chemical & Physical Foundations section of the MCAT.
71  cards
Stoichiometry
Empirical formulas, percent composition by mass, limiting reagents…these topics appear often on the MCAT, and many students haven’t seen them in years! Use these cards to master stoichiometry as it appears on the Chemical & Physical Foundations section.
43  cards
Thermodynamics
What’s the difference between an endergonic and an endothermic reaction? How can you relate Gibbs free energy, reaction quotient, and equilibrium constant? Use these cards to see how all of these topics connect, and you can master thermodynamics as tested on the MCAT.
70  cards
Rates, Kinetics, Equilibrium
From reaction order to the effect of temperature change on an endothermic reaction, use these cards to master the topics of kinetics and equilibrium as they appear on the MCAT.
53  cards
Solutions
Having trouble remembering the difference between molarity and molality, or whether PbBr is soluble? Use these cards to master solution chemistry as tested on the Chemical & Physical Foundations section of the MCAT.
42  cards
Acids and Bases
Always a favorite of MCAT test-makers, acid/base chemistry can also be one of the toughest topics on the exam. Use these cards to master the Henderson-Hasselbalch equation, pH and pOH, and polyprotic titrations. For enhanced practice, think about how these concepts relate to biological systems, such as the bicarbonate buffer system.
63  cards
Electrochemistry
With the biological focus of the new exam, topics like electrochemistry have become trickier than ever. From the charges of the anode and cathode during isoelectric focusing, to the relationship between E and K for a metabolic reaction, these concepts can seem overwhelming. Use these cards to master the topic of electrochemistry as tested on the Chemical & Physical Foundations section of the MCAT.
49  cards
MCAT Physics

From circuits to fluids to projectile motion, our recently updated MCAT Physics cards will help you master physics faster than ever!

Nuclear & Atomic Phenomena
Atomic models, protons and neutrons, isotopes…these concepts form the basis of general chemistry. This deck covers all of these topics, as well as the complexities of radioactive decay, binding energy, and emission spectra. Use these cards to master the topic of atomic and nuclear phenomena as tested on the MCAT.
44  cards
Force & Motion
Confused by free-body diagrams, pulleys, and inclined planes? Use these cards to see how all of these topics connect, and you can master force, motion, and gravity as tested on the MCAT.
42  cards
Work & Energy
Topics like work, power, and conservation of energy are constant favorites of the MCAT test-makers. Use these cards to master these concepts as they are tested on the Chemical & Physical Foundations section.
42  cards
Translational Motion
Dimensional analysis can be an incredibly helpful tool for the Chemical & Physical Foundations section of the MCAT. Use these cards to master the topics of units, vector addition, kinematics, and more.
33  cards
Equilibrium & Momentum
From the basics of rotational equilibrium to the complexities of torque, use these cards to master the topic of equilibrium and momentum as tested on the MCAT.
47  cards
Fluids
The biological focus of the new MCAT makes fluid dynamics one of the most valuable topics to master. Use these cards to familiarize yourself with Bernoulli’s equation, surface tension, and the properties of ideal fluids. For enhanced practice, think about how these concepts relate to biological systems, such as blood vessels and human circulation.
56  cards
Periodic Motion & Waves
Waves and periodic motion have countless applications to both the Chemical & Physical Foundations section of the MCAT and to real life. Use these cards to master frequency, simple harmonic motion, standing waves, and more, exactly as they appear on the exam.
61  cards
Sound
With the biological focus of the new exam, topics like decibels and the Doppler Effect have become especially important to understand. Use these cards to master the topic of sound as tested on the Chemical & Physical Foundations section of the MCAT.
40  cards
Electrostatics & Magnetism
Having trouble remembering the difference between electric force, electric fields, and electric potential? Use these cards to master the topic of electrostatics and magnetism as tested on the Chemical & Physical Foundations section of the MCAT.
35  cards
Circuits
From the basics of voltage and current to in-depth circuit calculations, use these cards to master the topic of circuits as it appears on the MCAT.
69  cards
Light & Optics
Always a favorite of MCAT test-makers, optical systems have become especially high-yield due to their applications to biological systems. Use these cards to master Snell’s law, diverging and converging mirrors, and combinations of lenses. For enhanced practice, think about how these concepts relate to biological systems, such as the human eye.
61  cards
MCAT Org. Chemistry

From carbohydrate structure to vacuum distillation, tackle MCAT Orgo with the best study tool available – and maybe even have a little fun while doing it.

Bonding
Having trouble remembering the difference between E and Z isomers? Finding it tough to identify meso compounds? Use these cards to master these topics, as well as resonance and hybridization, as they are tested on the MCAT.
69  cards
Analysis and Spectra
Molecular spectra, whether NMR, IR, or mass spec, can be intimidating when they appear on the MCAT. Use these cards to master equivalent protons, memorize important shifts, and learn how these complex methods relate.
42  cards
Separation and Purification
Separation and purification techniques are constant favorites of the MCAT test-makers. From extraction to distillation to chromatography, use these cards to master these concepts as they are tested on the exam.
45  cards
Alcohols
From oxidizing agents to Sn2 reactions, use these cards to master alcohols in the way they are tested in MCAT organic chemistry.
57  cards
Aldehydes and Ketones
Feeling a bit rusty with keto-enol tautomerization? Having trouble remembering the difference between acetals and hemiacetals? Use these cards to master aldehydes, ketones, and their reactions as they appear on the MCAT.
56  cards
Carboxylic Acids
With its relationship to amino acids, carboxylic acid function is a major topic in both organic chemistry and biochemistry. With these cards, you can master the content knowledge required to attack a tricky question or understand a reaction mechanism.
47  cards
Acid Derivatives and Esters
From acid anhydrides to saponification, use these cards to master the carboxylic acid derivatives as tested on the MCAT.
37  cards
Amines
Is an amide more reactive than a carboxylic acid? Do additional alkyl substituents make an amine more or less acidic? Master these topics and much more, and gain that confidence you need to ace any amine-related question on the MCAT.
30  cards
Biological Molecules
With the biological focus of the new MCAT, having an understanding of carbohydrates, lipids, and amino acids has become especially important. Use these cards to familiarize yourself with the difference between alpha and beta anomers, reducing sugars, and much more.
44  cards
Functional Groups and IUPAC
What’s the difference between amides, imides, amines, and enamines? How do you name an organic compound with multiple functional groups? Use these cards to master functional groups and IUPAC conventions, and you’ll gain a solid foundation for your further review of MCAT organic chemistry.
48  cards

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