Glycolysis

MCAT Basics (from MedSchoolCoach)

In this episode, guest host Alex Starks introduces the Metabolism series by examining glycolysis, a fundamental biochemical pathway for energy production. The discussion covers glucose digestion, the role of insulin and glucose transporters, and the step-by-step breakdown of glucose within cells. Alex also offers a detailed explanation of how glucose is processed to generate energy and outlines the key reactions involved. This episode provides a thorough overview of glycolysis offers valuable study strategies for mastering this topic on the MCAT.

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Jump into the conversation:

(00:00) Intro

(01:08) Overview of metabolism and starting the series

(02:41) Digestion and absorption of glucose into the bloodstream

(04:10) The liver’s role in glucose transport and GLUT2

(05:05) The role of insulin in glucose uptake by muscles and fat cells

(07:48) Trapping glucose in the cell with glucose phosphorylation

(09:32) Glycolysis Step-by-step breakdown of glycolysis

(17:41) NADH and ATP production during glycolysis

(22:30) Pyruvate and NADH fates in anaerobic and aerobic respiration

(25:12) Quiz: Metabolism quiz and study tips for the MCAT