Week 6: The Kreb Cycle, Electron Transport Chain, and Oxidative Phosphorylation. 3) The Electron Transport Chain (ETC): a) The electron transport "chain" is a series of electron carriers in the membrane of the mitochondria. 3. Oxidation of NADH. 11.6 Electron transport and oxidative phosphorylation - 1 1. C. Bulutay Topics on Semiconductor Physics Lecture 11 A Bit More Refined Formulation: Now, switch from the electron-hole picture to electron picture (either in CB or VB) The Hamiltonian is given by: one-electron part Due to invariance of the Hamiltonian under DLV translation: Exchange and correlation interactions are neglected Describe the chemiosmotic hypothesis 3. Search Class Notes. NADH passes the electrons to the electron transport chain Electrons are passed to increasingly electronegative carrier molecules down the chain through a series of redox reactions Electron transfer to oxygen occurs in a series of energy -releasing steps instead of one explosive reaction The energy yielded is used to regenerate ATP 0000006164 00000 n Anaerobic respiration A. bacteria that live in environments where O 2 is not abundant perform anaerobic respiration B. still uses an electron transport chain C. some other compound such as NO 3-, SO 4 2-or CO 2 Chen Electrophysics, NCTU 28 The induced electric field due to the nonuniform doping d Heat conduction Th Tc In last lecture, we describe electrons as free electron gas and lattice vibrations as phonon gas. Printer Friendly. Class note uploaded on Sep 22, 2018. The respiratory chain is located in the cytoplasmic membrane of bacteria but in case of eukaryotic cells it is located on the membrane of mitochondria. Alternative Oxidase Pathway of Plants, Fungi, Protozoa Short-circuits System. Æ proton gradient Æ proton motive force Æ propels protons through ATP synthase to make ATP. G Dr.G.Bhanu Prakash - Usmle , FMGE and Neet PG 20,250 views 22:48 An electron transport chain (ETC) consists of a number of complexes. Oxygen. Electron transport chain ( ETC ) and Oxidative phosphorylation - Detailed Explanation - Duration: 22:48. This gradient sets up the equivalent of a battery within the mitochondria. Non-enzymatic … This transmission of electron is coupled with the transmission of protons across a membrane. What do we do with NADH + H+ and FADH 2 reducing equivalents? In the process, a gradient is formed, and ultimately ATP is produced. Note Note Note. 6. This process is explosive, inefficient and uncontrolled. Define the terms metabolism, metabolic pathway, catabolism, and anabolism. 2. This model for ATP synthesis is called the chemiosmotic mechanism, or Mitchell hypothesis. Indirect Active Transport into the mitochondrion 7. Electron carriers (NADH/FADH2) 2. Heat conduction Th Tc In last lecture, we describe electrons as free electron gas and lattice vibrations as phonon gas. 0000002712 00000 n The detailed energetics are not illustrated in this lecture as they are not required. 1) Typically electron velocities are 10. F. Pentose Phosphate Shunt 0000001235 00000 n 6. m/s, while phonon velocities are the sound velocity. BIOL 1020 – CHAPTER 9 LECTURE NOTES 6 of 7 2. citrate is also an allosteric inhibitor 3. Lecture 21- Electrochemical Gradients and Electron Transport Energy released from the electrons of reduced PowerPoint® Lecture Slides are prepared by Dr. Isaac Barjis, Biology Instructor BIOLOGY 10th Edition Insert figure 8.2 here 1 Cellular Respiration Chapter 8: pp. Electron Transport Chain (overview) • The NADH and FADH2, formed during glycolysis, β-oxidation and the TCA cycle, give up their electrons to reduce molecular O2 to H2O. The electron transport chain is also called the Cytochrome oxidase system or as the Respiratory chain. Electron transport is the most complex and productive pathway of cellular respiration. BCH 340 lecture 6. Download file PDF. 0000001711 00000 n Introduction to cellular respiration and redox. Electron Transport Inner Mitochondrial Membrane. Get ready with unlimited notes and study guides! 22 Sep 2018. Understand how Coenzyme-A is used to transfer acyl groups. Electron Transport – the oxidation phase of Oxidative Phosphorylation 3. Nano-to-Macro Transport Processes Fall 2004 Lecture 2 5.1. Inhibitors are shown in bold itallic, approximately at their sites of action; electron donors (red) and acceptors (blue) allowing dissection of partial reactions of the chain … All of the reactions involved in cellular respiration can be grouped into three main stages The Metabolic Pathway of Cellular Respiration Glycolysis –occurs in cytoplasm The Krebs cycle –occurs in matrix of mitochondria Electron transport –occurs across the mitochondrial membrane. 0000002272 00000 n Electrons flow through the electron transport chain to molecular oxygen; during this flow, protons are moved across the inner membrane from the matrix to the intermembrane space. Compare and contrast the mitochondrial electron transport chain (ETC) and bacterial ETCs 2. And negative charges induces a electric field due to the nonuniform doping d Class note uploaded Sep!: λ~ 6000Å Figure 1 components ( reduced FMN or FAD ) carried by! 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