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MCAT in the Car is your high-yield mobile prep companion for the MCAT. Turn your commute, workouts, errands, or downtime into focused study sessions with clear, digestible breakdowns of all sections: Biological and Biochemical Foundations of Living Systems, Chemical and Physical Foundations of Biological Systems, Psychological, Social, and Biological Foundations of Behavior, and Critical Analysis and Reasoning Skills (CARS). Get science concept reviews, passage strategies, CARS techniques, practice question walkthroughs, mnemonics, test-taking tips, and mindset advice from 99th-percentile scorers and medical students. Whether you’re a busy pre-med undergrad, post-bac, or gap-year student, we make MCAT prep efficient, memorable, and sustainable — one drive at a time. Crush the MCAT and get into med school without the burnout.”

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Check latest episodes from MCAT In The Car podcast

Newton’s Laws for the MCAT: Forces, Motion, and Acceleration Made Simple

2026/10/19

Newton’s three laws of motion are essential concepts for the Chemical and Physical Foundations section of the MCAT. In this episode of MCAT in the Car, we explain how forces affect movement, why mass and acceleration are connected, and how Newton’s laws apply to everyday situations and human physiology. You’ll learn the difference between balanced and unbalanced forces, understand the equation F equals m times a, and practice two MCAT-style questions without needing complicated calculations.

Enzyme Kinetics for the MCAT: Km, Vmax, and Competitive Inhibition Explained

2026/10/18

Enzyme kinetics is one of the most important biochemistry concepts tested on the MCAT. In this episode of MCAT in the Car, we explain how enzymes accelerate chemical reactions, what Km and Vmax tell us about enzyme activity, and how competitive and noncompetitive inhibitors change reaction rates. You’ll also learn how to recognize common MCAT questions about enzyme inhibition without getting lost in complicated equations.

Glycolysis for the MCAT: ATP, NADH, and the Three Enzymes You Must Know

2026/10/13

Glycolysis is one of the most important metabolic pathways tested on the MCAT, and understanding it is essential for mastering cellular energy production. In this episode, we break down how glucose is converted into pyruvate, why ATP is both consumed and produced, and how NADH contributes to cellular metabolism. You’ll learn the three key regulatory enzymes, the net ATP yield, and the differences between aerobic and anaerobic conditions. We also explore common MCAT exam traps involving enzyme regulation, energy calculations, and metabolic pathways, helping you recognize the concepts that frequently appear in passage-based questions.

Stoichiometry Made Simple: Moles, Limiting Reactants, and Chemical Reactions

2026/10/11

One of the most intimidating aspects of MCAT chemistry is stoichiometry. Students see chemical equations, unfamiliar numbers, and multiple conversion steps, and suddenly a relatively simple problem feels overwhelming. But stoichiometry is really about understanding proportions. Once you understand the relationships between substances in a chemical reaction, the calculations become much more manageable.

Lipid Digestion Explained: Enzymes, Micelles, and Chylomicrons

2026/10/08

Understanding lipid digestion requires connecting biochemistry with gastrointestinal physiology. This episode examines triglyceride hydrolysis, bile salt emulsification, micelle formation, and intestinal lipid transport. Discover how enterocytes reassemble triglycerides and package them into chylomicrons for transport through the lymphatic system. Review essential biochemical mechanisms and their clinical applications for the MCAT.

Atomic Structure and Periodic Trends: Why the Periodic Table Predicts Chemistry

2026/10/04

The periodic table is more than a collection of elements—it is a map that allows you to predict how atoms behave. In this episode of MCAT in the Car, we review atomic structure, electron configuration, valence electrons, and effective nuclear charge. You’ll learn the major periodic trends involving atomic radius, ionization energy, electron affinity, and electronegativity. More importantly, we’ll connect these trends so you can reason through MCAT questions rather than relying entirely on memorization. By the end, you should be able to look at an element’s position on the periodic table and make useful predictions about its chemical behavior.

The Optics & Waves Matrix: Mastering Lenses, Mirrors, Sound, and the Doppler Effect for the MCAT

2026/09/27

Optics and waves can become relatively easy MCAT points once you stop memorizing isolated equations and start recognizing predictable patterns. This study guide walks through converging and diverging lenses, mirrors, the thin-lens equation, sound waves, and the Doppler effect. Special attention is given to common MCAT traps and how Doppler ultrasound uses changes in frequency to determine blood velocity.

CRISPR Turns Down the Bradykinin Dial

2026/09/20

On September 8, 2026, the FDA accepted Intellia’s biologics application for lonvo-z, a one-time in vivo CRISPR therapy for hereditary angioedema, and gave it Priority Review. That matters because a single gene edit in the liver could replace lifelong attack-prevention drugs for a rare swelling disease driven by excess bradykinin. The core MCAT hook is how loss-of-function CRISPR editing of *KLKB1* lowers plasma kallikrein and slows a proteolytic cascade that opens vessels and floods tissue. The lesson and three practice questions reinforce CRISPR mechanics, enzyme cascades, capillary permeability, autosomal-dominant genetics, and how to read a randomized Phase 3 trial.

MCAT Psych/Soc High-Yield: Sensation vs. Perception, Conditioning Schedules, and Three Sociological Lenses

2026/09/13

Bottom-up and top-down processing are the fastest way to sort sensation from perception on AAMC-style passages. Variable-ratio and fixed-interval schedules produce opposite response patterns and extinction rates that the exam loves to test. Knowing how Conflict Theory, Symbolic Interactionism, and Structural Functionalism actually sound in a vignette lets you eliminate two wrong frameworks in seconds.

Starling’s Bargain: The Physics of Capillary Fluid Exchange and Edema

2026/09/10

This episode examines how microvascular fluid balance is governed by the equilibrium between hydrostatic and oncotic pressures across semipermeable capillary membranes. It explores the physiological variables—transcapillary pressure gradients (\Delta P), oncotic gradients (\Delta \pi), and the endothelial reflection coefficient (\sigma)—that dictate fluid filtration into tissue spaces. Finally, it demonstrates how distinct pathophysiological insults, such as hypoproteinemia and elevated venous pressure, converge on the shared clinical endpoint of edema.

The Lipid Ledger: β-Oxidation vs Fatty-Acid Synthesis, Ketone Bodies, and Membrane Fluidity we use a Lego analogy to help understand

2026/09/06

This study guide deconstructs lipid biochemistry by examining the reciprocal regulation of catabolic (kat-uh-BAH-lik: breakdown) and anabolic (an-uh-BAH-lik: building) acyl (AY-sil) pathways, centering on the carnitine (KAR-nih-teen) shuttle and allosteric (al-oh-STEER-ik: enzyme-regulating) control via malonyl-CoA (MAL-uh-nil koh-AY). We clarify the compartmental and enzymatic divide governing hepatic (heh-PAT-ik: liver) ketogenesis (kee-toh-JEN-eh-sis) versus peripheral ketolysis (kee-TAH-lih-sis), trace critical branch points in cholesterol and steroidogenesis (stair-oy-doh-JEN-eh-sis), and detail how acyl chain saturation dictates cellular membrane thermodynamics.

MCAT Biology Core: From Gene to Protein—Replication, Transcription, and the Genetic Code

2026/09/01

Following our discussion of enzyme kinetics, this MCAT study guide traces the path from DNA replication to a functioning protein. It reviews replication-fork mechanics, proofreading and DNA repair, promoter and enhancer regulation, and wobble in the genetic code. Most importantly, it explains how a single nucleotide change can alter a protein’s structure—and potentially change its K_m, V_{\max}, or both.

MCAT Practice Questions (Action Potentials & Acid-Base Balance)

2026/05/27

MCAT Practice Questions (Action Potentials & Acid-Base Balance)

The Bio-Electric Engine: Integrating Nervous System Action Potentials with Henderson-Hasselbalch Blood Buffering

2026/05/25

This episode explores the intricate connection between the nervous system’s electrical signaling via action potentials and the body’s chemical buffering system governed by the Henderson-Hasselbalch equation, essential for maintaining physiological homeostasis. Designed for post-MCAT learners, it breaks down these concepts in accessible terms while highlighting their clinical and exam relevance. Listeners will gain a deeper appreciation of how disruptions in one system can profoundly impact the other, supported by practical questions and strategic insights.

Glycolysis vs Gluconeogenesis: Key Regulation & Rate-Limiting Steps

2026/05/21

Master the critical metabolic crossroads of glycolysis and gluconeogenesis with a clear, exam-focused analysis of their reciprocal regulation, rate-limiting enzymes, and the pivotal role of fructose 2,6-bisphosphate. This episode explains how insulin and glucagon control these opposing pathways to maintain blood glucose, prevent futile cycling, and support energy demands in fed and fasting states. Essential for EPPP, USMLE, and medical professionals seeking to understand metabolic integration in health and disease.