Metabolism: Glycolysis, Krebs Cycle, Electron Transport Chain

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MCAT Basics (from MedSchoolCoach)

MedSchoolCoach

74 episodes

2 days ago

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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Metabolism: Glycolysis, Krebs Cycle, Electron Transport Chain

MCAT Basics (from MedSchoolCoach)

41 minutes 54 seconds

2 months ago

Metabolism: Glycolysis, Krebs Cycle, Electron Transport Chain

In this episode, Sam Smith covers the intricacies of metabolism, focusing on glycolysis, the Krebs cycle, and the electron transport chain.

First, the podcast explores the process of glycolysis, breaking down the key enzymes, intermediates, and regulation points. Next is the citric acid cycle, examining its regulation, energy production, and the roles of specific enzymes and intermediates. Lastly, we look at the electron transport chain and discuss how electrons are transferred through the five complexes, creating a proton gradient that drives ATP synthase to produce ATP.

Visit MedSchoolCoach.com for more help with the MCAT.

Jump into the conversation:

(00:00) Intro

(03:15) Ten steps of glycolysis: Intermediate names and enzymes

(08:01) Simplified glycolysis process: Breaking down key steps

(12:30) Glycolysis regulation: Allosteric regulation of enzymes

(21:13) Mnemonics for Krebs cycle intermediates

(25:52) Regulation of the Krebs cycle: ATP, calcium, and more

(30:26) Electron transport chain: Overview and key steps

(34:35) ATP synthase

(33:00) Reduction potentials in the electron transport chain

(37:31) Synopsis of metabolism

(40:34) MCAT Advice of the Day