Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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What is the location of electron transport complexes in eukaryotes ?
cytosol
inner mitochondrial membrane
outer mitochondrial membrane.
mitochondrial matrix.
plasma membrane.
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- Which of the following regarding the Electron Transport Chain is INCORRECT? It can accept electrons from the Glycerol 3-Phosphate Shuttle It sets up the proton motive force Free energy from the exergonic electron flow is coupled to the endergonic transport of protons out of the matrix Electrons flow through electron acceptors/donors from a high reduction potential to a lower reduction potentialarrow_forwardFunction of proteins in the ETC (electron transport chain)? energy of proteins used to pump electrons (in the form of O2) outside of the inner membrane into the inner membrane space energy of proteins used to pump protons (in the form of H ions) outside of the inner membrane into the inner membrane space energy of proteins used to pump protons (in the form of H ions) inside of the inner membrane into the outside of inner membrane space energy of proteins used to pump electrons (in the form of H ions) outside of the inner membrane into the inner membrane spacearrow_forwardWhich of the following moves proteins across the outer mitochondrial membrane? SAM complex? TOM complex ? TIM 23 complex? TOC?arrow_forward
- Cyanide is a poisonous substance. Cyanide is a cytochrome c oxidase inhibitor that is competitive. The last enzyme of the electron transport chain in mitochondria is cytochrome c oxidase. One of the most common substrates for cytochrome c oxidase is oxygen.Would an increase in the concentration of oxygen affect the inhibitioncaused by cyanide?How would conditions in the mitochondrial intermembrane spacechange if cytochrome c oxidase and the electron transport chain are notfunctioning properly.. Explain why this change in conditions will be harmful to a cell.arrow_forwardBelow is an Image of mitochondria, identify which numbered area respond to outer membrane, inner membrane, intermbrane and matrix described where the process of glycosis, pyruvates oxidation, citric acid cycle and electron transport occur.arrow_forwardYou are making sourdough bread using a "starter" of bacteria that ferment sugars. How do bacteria that ferment produce the majority of their ATP? Group of answer choices Electron transport chain Substrate-level phosphorylation (such as in glycolysis) Oxidative phosphorylation Use of proton motive force to drive ATP synthasearrow_forward
- Where in the cell is the electron transport chain and ATP synthesized by a bacterium?arrow_forwardDrag each label to the appropriate position to identify whether the rate of membrane reactions would be increased or decreased by the conditions given by the label. Increased oxygen concentration Decreased ATP concentration Increased NADH concentration Decreased FADH₂ concentration Increased Rate of Reaction (Reactants) (Reactants) Decreased Rate of Reaction (Products) (Products)arrow_forwardThe electron transport chain is a series of protein complexes that are located in the ________ of a mitochondrion. The protein complexes of the electron transport chain use ________ for fuel. As the electron transport chain runs, it sets up a __________. The name of the molecule that spins like a turbine to generate mechanical energy for making ATP is ___________.arrow_forward
- Which compartment of the eukaryotic mitochondrion is responsible for the formation of NADH, and FADH2, during catabolism of pyruvate into carbon dioxide? the mitochondrial matrix the outer mitochondrial membrane the intermembrane space the inner mitochondrial membrane the thylakoid membrane The complete catabolism of glucose into CO2 and H2O generally yields a smaller amount of ATP in aerobic eukaryotes than in aerobic prokaryotes because the aerobic eukaryotes: generate more molecules of FADH2 during aerobic respiration have transport costs to get NADH into the mitochondrion generate more molecules of NADH during aerobic respiration are able to use pyruvate as a substrate for fermentation always produce ethanol rather than lactic acid as a byproductarrow_forwardPlease explain the Electron Transport System how you understand it. Explanation The electron transport chain is a series of electron transporters embedded in the inner mitochondrial membrane that shuttles electrons from NADH and FADH2 to molecular oxygen. In the process, protons are pumped from the mitochondrial matrix to the inter membrane space, and oxygen is reduced to form water. Question: Respond to the Explanation post above about the electron transport chain.arrow_forwardWhich ion gradient is used in electron transport chain to produce ATPs? What is that ATP-producing protein called?arrow_forward
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