Electron Transport Chain

MCAT Basics (from MedSchoolCoach)

This MCAT Basics Podcast continues its series on metabolism, and in today's episode, Alex Starks talks about the Electron Transport Chain and ATP synthesis. The story continues with a look at how electrons flow through complexes I,II,III, and IV, as well as how it is coupled to the synthesis of ATP. Everything you need to know about this stage of metabolism is made clear and easy to understand so you can ace any metabolism question on the AAMC MCAT Exam.

• [03:10] The Purpose of the Electron Transport Chain
• [07:24] What is NADH Dehydrogenase
• [11:32] Coenzyme Q in the Electron Transport Chain
• [18:31] Why Oxygen is Called the Terminal Electron Acceptor
• [20:33] The Proton Motive Force
• [27:10] The Effects of Breaking the Electron Transport Chain
• [30:14] DNP: The "Miracle Weight-Loss Drug"
• [34:30] Fatty Acid Metabolism
• [34:58] Quiz and Important Takeaways

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