Episode 42

This MCAT podcast covers adenosine triphosphate (ATP). I discuss: 1) ATP's structure, 2) its thermodynamics and how it drives other biological reactions, 3) its production and regeneration, and 4) its function (including its role in the Na+/K+ pump, protein phosphorylation, and ATP binding cassette transporters).

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In this bonus episode I interview Olubukola (Olu) Abiona, a research fellow in the Vaccine Research Center at the National Institutes of Health. She is a member of the team that produced the first coronavirus vaccine in the US. In addition to the interview, I review some basic coronavirus virology.

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This MCAT podcast is a short segment from the “Acids and Bases” podcast. It covers the various definitions of acids and bases, including strong vs weak acids and bases.
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This MCAT podcast is a short segment from the “Enzyme Kinetics, Inhibition, and Categorization” podcast.

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Episode 41

This MCAT podcast covers intelligence. First, I discuss several theories of intelligence including entity vs incremental theory, general intelligence theory, two factor theory, multiple intelligences theory, triarchic theory, CHC theory, and biological theories. Next, I talk about hereditary factors of intelligence (nature vs nurture). Last, I discuss how intelligence is measured.

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This MCAT podcast is a short segment from the “The Nervous System” podcast.

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This MCAT podcast is a short segment from the “Amino Acids” podcast.

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Episode 40

This MCAT podcast covers Redox. First, I discuss the concept of a redox reaction. I go over oxidizing and reducing agents, what makes a compound a good (or bad) oxidizing agent, oxidation state of molecules/functional groups, common organic chemistry redox reagents, and redox in biology. Then, I discuss numerical (general chemistry) concepts related to redox. This includes determining oxidation number and electrochemical cells.

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Episode 39

This MCAT podcast covers sound and hearing physiology. First, I discuss sound-related topics like sound waves, pitch, ultrasound, and the decibel system. Then, I briefly discuss the anatomy and physiology of the ear.

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Episode 38

This MCAT podcast covers fluid statics (fluids standing still). First, I talk about different fluid properties including surface tension, vapor pressure, adsorption and absorption, adhesion and cohesion, and Henry's law. Second, I discuss a few important fluids statics concepts: static fluid pressure, Pascal's law, gauge pressure vs absolute pressure, osmotic pressure, and buoyancy.

For some fluid dynamics (moving fluids) skip to the 43:00 mark in the cardiovascular system + fluids podcast.

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