330JP26 - BISC 330L Dr John Petruska 330JP26 Lect 25 Review...

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BISC 330L Dr. John Petruska 330JP26.ppt Lect. 25 and Lecture 26 References: (3rd Ed 2005), Chap. 20 (6th Ed 2007), Chap. 18
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Figure 20.21 A model for the electron transport pathway in the mitochondrial inner membrane. UQ/UQH 2 and cytochrome c are mobile electron carriers and function by transferring electrons between the complexes. The proton transport driven by Complexes I, III, and IV is indicated. (TCA cycle) 46/7* subunits 4/0* subunits 13/3* sub units 11/1* subunits *number of subunits encoded by mt DNA (Note: ATP synthase has 12/2* subunits). Human mtDNA encodes 13 proteins: 11 in Complexes I, III, & IV; 2 in ATP synthase.
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Stryer . . . . . . . . . . . .
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I II III IV Stryer Fig. 18.6 Standard reduction potentials in electron transport chain
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Complex I Oxidizes NADH and Reduces Coenzyme Q NADH-Q Oxidoreductase Electron transfer from NADH (matrix) to coenzyme
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This note was uploaded on 05/03/2010 for the course BISC 330L taught by Professor Petruska,tower during the Spring '07 term at USC.

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330JP26 - BISC 330L Dr John Petruska 330JP26 Lect 25 Review...

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