what carries electrons to the electron transport system
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- The electron transport chain is the path in which the electrons travel during cellular respiration. The electron transport system is the set of proteins and other cellular c…omponents that are involved in the electron transport chain. For example, the both aerobic and anaerobic organisms, there are different electron transport systems and this influences the path electrons take.
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Biology Chapter 9 Cellular Respiration Anaerobic. NADH and FADH2 pass electrons to the electron transport chain in the mitochondrion when the electrons are passed H+ goes through the ATP synthase making more ATP.
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Electron transport system Supplement. The major function of electron transport system is to extract energy via redox reactions coupled with the production of a proton gradient. The electron transport system is involved in photosynthesis and cellular respiration.
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What is ETC in biology? electron transport chain. last step in cellular respiration- oxidative phosphorylization, i think! produces most of the ATP needed by the cell by transporting electrons through a wheel which turns and creates more energy. What Is Etc Biology. Electron Transport Chain. It's where ATP is made via oxidative phosphorylation.
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Electron transport chain Most eukaryotic cells have mitochondria, which produce ATP from products of the citric acid cycle, fatty acid oxidation, and amino acid oxidation. At the mitochondrial inner membrane, electrons from NADH and FADH2 pass through the electron transport chain to oxygen, which is reduced to water.
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Electron Transport System In this section we'll focus on how the hydrogen and electrons combine with oxygen to form water. This involves a series of oxidation-reduction reactions, in which elctrons (and hydrogen) are tranferred from one chemical to another to another in what is called the electron transport system.
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- Electrons are transferred along the electron transport chain by the reversible reduction and oxidation of iron-sulfur clusters, ubiquinone (CoQ), cytochromes, and copper ions. Each carrier accepts an electron or electron pair from a carrier with a less positive reduction potential and transfers the electron to a carrier with a more positive reduction potential.
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Electron transport chain In oxidative phosphorylation, electrons are transferred from a low-energy electron donor (e.g., NADH) to an acceptor (e.g., O 2) through an electron transport chain. In photophosphorylation, the energy of sunlight is used to create a high-energy electron donor and an electron acceptor.lectron transport chains are redox reactions that transfer electrons from an electron donor to an electron acceptor. The transfer of electrons is coupled to the translocation of protons across a membrane, producing a proton gradient. The proton gradient is used to produce useful work.
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What is the electron transport chain? The electron transport chain (ETC) is located in a mitochondrion; in fact the mitochondrion has two membranes around it and the ETC is located within the inner membrane which is folded into cristae to increase the surface area for ATP synthesis. Picture of mitochondrion: http://www.sciencehelpdesk.com/img/bg3_1...
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Biology, Eighth Edition (Raven) The final stage of cellular respiration is the electron transport chain (ETC). The ETC is a series of molecules embedded in the mitochondrial membrane. The first molecule accepts protons and electrons from the products of the Krebs Cycle. The electrons are passed from molecule to molecule and finally react with oxygen and protons to form water.
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Human Physiology/Print Version (eukaryotes). ​It is easiest to understand how electron transport works by dividing this process into three main events: In the electron transport chain, these electron carriers are oxidized, transferring their electrons to the carrier molecules embedded in the ETC membrane.
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- The energy used in the electron transport change pumps protons across the inner mitochondrial membrane from the inner matrix to the intermembrane space, producing a strong hydrogen concentration gradient.
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Electron transport chain An electron transport chain (ETC) is a series of compounds that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons (H + ions) across a membrane.he function of the electron transport chain is to produce a transmembrane proton electrochemical gradient as a result of the redox reactions. If protons flow back through the membrane, they enable mechanical work, such as rotating bacterial flagella.
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- The electron transport chain is initiated by the reaction of an organic metabolite (intermediate in metabolic reactions) with the coenzyme NAD+ (nicotinamide adenine dinucleotide). This is an oxidation reaction where 2 hydrogen atoms (or 2 hydrogen ions and 2 electrons) are removed from the organic metabolite.
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Photosynthesis and Cellular Respiration notecards an electron carrier is a compound that can accept a pair of high-energy electrons and transfer th, along with most of their energy, to another molecule. NADP+ --> NADPH. (nicotinamide adenine dinucleotide phosphate) NADP+ accepts and holds 2 high-energy electrons, along with a hydrogen ion (H+).
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Electron transport chain In the mitochondrial electron transport chain electrons move from an electron donor (NADH or QH 2) to a terminal electron acceptor (O 2) via a series of redox reactions. These reactions are coupled to the creation of a proton gradient across the mitochondrial inner membrane.he function of the electron transport chain is to produce a transmembrane proton electrochemical gradient as a result of the redox reactions. If protons flow back through the membrane, they enable mechanical work, such as rotating bacterial flagella.
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Mastering Biology: Section 9.4 Establishing the H+ gradient is a major function of the electron transport chain. The chain is an energy converter that uses the exergonic flow of electrons from NADH and FADH2 to pump H+ across the membrane, from the mitochondrial matrix into the intermembrane space.
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Learn About Cellular Respiration Electron transport requires oxygen directly. The electron transport chain is a series of electron carriers in the membrane of the mitochondria in eukaryotic cells. Through a series of reactions, the high energy electrons are passed to oxygen.In the process, a gradient is formed, and ultimately ATP is produced by oxidative phosphorylation.here are three main stages of cellular respiration: glycolysis, the citric acid cycle, and electron transport/oxidative phosphorylation.
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The Electron Transport Chain Steps Simplified The electron transport chain is the stepwise process of cellular respiration that is responsible for producing: Water (with the help of oxygen we breathe) up to 34 ATP (thanks to the proton gradient)
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Cellular Respiration the carrier molecules of the electron transport chain use the energy of the electrons they're transporting to pump hydrogen ions out of the mitochondrial matrix and into the space between the membranes; this creates a gradient of hydrogen ions (more in space, less in matrix).
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Biochemistry/Electron Transport Chain ETS in respiration In respiration, an electron transport chain is used to break the fall of electrons to oxygen into several energy-releasing steps. It slows down the releasing process of energy. There are a number of molecules that consists an electron transport chain.Most of these molecules are proteins, built into the inner membrane of mitochondria of eukaryotic cells and the plasma membrane of aerobically respiring prokaryotes.here are a number of molecules that consists an electron transport chain. Most of these molecules are proteins, built into the inner membrane of mitochondria of eukaryotic cells and the plasma membrane of aerobically respiring prokaryotes.
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- Overview: The electron transport system (ETS) is a mechanism for capturing in the form of ATP, energy from the transfer of electrons from NADH and FADH2 to O2. During this process, the mitochondrion expels protons, creating a pH gradient across the mitochondrial membrane.
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Electron transport system The major function of electron transport system is to extract energy via redox reactions coupled with the production of a proton gradient. The electron transport system is involved in photosynthesis and cellular respiration.
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Electron transport chain In bacteria, the electron transport chain is located in their cell membrane. In chloroplasts, light drives the conversion of water to oxygen and NADP+ to NADPH with transfer of H + ions across chloroplast membranes.n the mitochondrial electron transport chain electrons move from an electron donor (NADH or QH 2) to a terminal electron acceptor (O 2) via a series of redox reactions.