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MCAT Basics (from MedSchoolCoach)

MedSchoolCoach
MCAT Basics (from MedSchoolCoach)
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  • Molecular Structure and Absorption Spectra
    In this episode, we cover molecular structure and the key spectroscopy techniques you need to know for the MCAT. We'll explore the intricacies of Nuclear Magnetic Resonance spectroscopy, breaking down the chemical shifts and spin-splitting essentials for understanding hydrogen and carbon bonds in various compounds. You'll learn how to identify functional groups using Infrared (IR) spectroscopy and how mass spectrometry can help determine molecular weights and identify unknown compounds. We'll also touch on UV-Vis spectroscopy and its role in quantifying compounds based on absorption spectra. Visit MedSchoolCoach.com for more help with the MCAT.   (00:00) Intro (01:50) Introduction to absorption spectra and molecular structure (01:52) Absorption spectroscopy and its applications (03:39) IR spectroscopy: Analyzing functional groups with infrared radiation (07:57) Key IR peaks to know for the MCAT (09:52) Visible light and its role in determining compound color (10:57) UV-Vis spectroscopy: Connecting visible and ultraviolet light for compound analysis (14:06) Quantifying compounds using UV-Vis spectroscopy and Beer's Law (16:48) Mass spectrometry: Determining molecular weight and identifying compounds (22:18) Interpreting mass spectrometry graphs and calculating molecular weight (26:44) NMR spectroscopy: Understanding molecular structure through proton shifts (31:23) Key NMR shifts to know for the MCAT (33:21) Spin splitting in NMR and the n+1 rule  
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  • The Doppler Effect
    The Doppler Effect is a crucial concept for the MCAT, particularly in the Chemistry & Physics section. We'll explore how the Doppler effect occurs when a wave source moves relative to an observer, affecting the observed frequency and wavelength. Using practical examples like an ambulance speeding towards you, we'll bring these concepts to life. We'll also break down the Doppler effect equation, examining what it reveals—and what it doesn’t—about wave behavior. By the end of this episode, you'll have a solid understanding of The Doppler effect and will be ready to tackle any related questions on the MCAT.  Visit MedSchoolCoach.com for more help with the MCAT. Jump into the conversation: (00:00) Introduction to the MCAT Basics (02:09) Conceptual Explanation of the Doppler Effect (03:55) Example: Doppler Effect with an ambulance (04:55) Speed of sound and wave propagation (05:31) Impact of ambulance motion on sound wave speed (06:37) Relationship between wave speed and frequency (07:30) Detailed explanation of sound frequency (08:45) Introduction to the Doppler Effect equation (10:08) Proportionality in the Doppler Effect equation (11:08) Discussion on wavelength and frequency relationship (12:29) Application of the Doppler Effect equation  
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  • Viruses
    In this episode, we cover the topic of viruses. We explore a comprehensive range of subtopics including the definition and structure of viruses, their life cycles, and the differences between transduction and transfection. We also discuss virus classification, viral mutations, and subviral particles. This material will primarily appear in the Bio/Biochem section of the MCAT.  Visit MedSchoolCoach.com for more help with the MCAT.   Jump into the conversation: [00:00] Introduction [01:57] Definition of a virus [02:55] Virus structure [10:41] The viral life cycle [17:34] The bacteriophage life cycle [21:40] The retrovirus life cycle [21:40] The retrovirus life cycle [27:11] Virus classification [32:09] Viral mutation  [40:31] Subviral particles  
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  • Work and Energy
    In this episode, we cover the topic of work and energy. We’ll start off by talking about work, which includes the mathematical and conceptual definitions and the sign convention of work. We’ll also talk a little bit about mechanical advantage and also path dependency. Moving on to energy, we’ll talk about the general definition of energy, we’ll compare and contrast energy in work and the different types of energy that includes kinetic energy, potential energy, thermal energy, and total mechanical energy. Lastly, we’ll talk about energy transfer, specifically heat transfer, and the three types of convection, conduction, and radiation. Visit MedSchoolCoach.com for more help with the MCAT.   Jump Into the Conversation: 00:00 Introduction 05:27 Summary: Limits of equation for work and force 08:39 Positive work: force and displacement in same direction 09:32 Comparison of mechanical and thermodynamic work sign conventions 12:50 Work changes kinetic energy of moving objects 16:32 Friction and energy 22:25 Pitching 27:10 Kinetic and potential energy relation  32:14 Sun and heat transfer  
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  • Fat and Protein Metabolism
    In this episode, we’ll nail down all that is needed for the MCATB in relation to fat and protein metabolism. Two critical processes for gaining energy and maintaining cellular functions in the body. We'll learn about the intricate details of beta-oxidation, where fatty acids are broken down in the mitochondrial matrix to produce energy-rich molecules like NADH, FADH2, and acetyl CoA. From protein catabolism, where proteins are broken down into amino acids that feed into gluconeogenesis and ketosis pathways, to protein anabolism, where these amino acids are incorporated into new proteins. You'll get insights into the role of amino acids in synthesizing other compounds like serotonin and nucleotides. Visit MedSchoolCoach.com for more help with the MCAT.   Jump into the conversation: 00:00 Introduction to MCAT Basics 01:25 Fat metabolism 02:00 Fat absorption 06:45 Breakdown of fats 08:30 Lipolysis 10:15 Transport of fatty acids 11:20 Beta oxidation pathway 13:40 Energy yield from beta-oxidation 16:00 Odd-chain and unsaturated fatty acids in beta-oxidation 20:00 Differences in energy production and pathways. 22:29 Fatty acid synthesis 25:15 Ketone body formation and usage 28:00 Protein breakdown (catabolism) 31:45 Glucogenic and ketogenic amino acids 35:00 Protein synthesis (anabolism)  
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About MCAT Basics (from MedSchoolCoach)

Join us as we detail MCAT exam topics. Each podcast covers several MCAT sections with lessons based on review material put out by the AAMC, such as practice tests and question banks. Sam also interviews MCAT tutors and experts who share tips on how premed students can raise their score to get into medical school.
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