Lecture8_ETC&Fermentation.pptx

Lecture8_ETC&Fermentation.pptx - Chapter 9 Cellular...

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Chapter 9 Cellular Respiration and Fermentation
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Reminders and Important Info On the unit 1 worksheet, I saw many of you failed to make the correction that I had emailed about in regards to bond saturation, as well as other mistakes. Please look at that and correct for studying. Just a reminder that your homework grade is equivalent to an exam grade. Still have a few no name membrane transport worksheets—claim if you want points, I have them with me. I will be extending office hours this week. Session ID: 713185
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Electron Transport Chain Last time, I mentioned about how the electron transport chain is where the bulk of ATP is produced. Let’s learn how that happens!
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What previously made molecules get sent the electron transport chain? A. NADH B. FADH 2 C. CO 2 D. ATP E. Both A and B F. A, B, and C G. All of the above
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Electron Transport Chain Just a reminder where those molecules come from…
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Electron Transport Chain Where does the electron transport chain take place? In the inner membrane of the mitochondria (membranes of the cristae) In bacteria, it is located in the plasma membrane (remember they don’t have membrane bound organelles)
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Electron Transport Chain How is the electron transport chain arranged? It is a series of 4 complexes, connected by shuttling molecules, which electrons move along.
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Electron Transport Chain What allows the electrons to move along the electron transport chain? Differences in electronegativity (the ability to hold onto electrons). So, as electrons move through the chain, they would be held more and more tightly.
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Electron Transport Chain Low electronegativit y High electronegativit y
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Electron Transport Chain The final electron acceptor is oxygen, which forms water after accepting two electrons.
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