blocking the oxidation/reduction reaction can be led to: Select one: O a. produce water Ob. death Oc. forming NADH plus a free proton, H* O d. generate energy
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- Indicate whether each of the following changes represents oxidation or reduction. Write: O = for oxidation ; R= for reduction Example: cyt ci (Fet) → cyt c1 (Fe2+) Answer: R Blank #1: COQH2 → CoQ Blank #2: NAD+ - NADH Blank #3: FMN → FMNH2 Blank # 4: FADH2 FAD Blank #5: Fe(III) SP → Fe(II) SP Blank # 1 Blank # 2Complete the following diagram, using arrows to show the flow of electrons, for this reaction catalyzed by GAP dehydrogenase. Draw how the enzyme pocket appears as the reaction is completed. Indicate the product (if any). NAD+ ÇHOPO он СysConsider the function of the cofactor FAD. Which of the following makes it unique (different) from NAD+? Select all that apply. Operates as part of an enzyme and is not a mobile electron carrier In its fully reduced state, carries 2 electrons Involved in electron transfers as part of pyruvate dehydrogenase complex activity O Facilitates single electron transfers
- Consider the function of the cofactor FAD. Which of the following makes it unique (different) from NAD+? Select all that apply. O Operates as part of an enzyme and is not a mobile electron carrier O In its fully reduced state, carries 2 electrons OInvolved in electron transfers as part of pyruvate dehydrogenase complex activity O Facilitates single electron transfersWhich of the following statements is right: Reduced NAD from Beta-oxidation is used to produce ATP in: 1. Electron Chain Transport and oxidizing phosphate binding 2. Glycolysis and oxidizing phosphate binding 3. Transamination 4. Citric Acid Cycle and oxidizing phospahe binding 5. None above are rightThe following statements describe the path of electrons from NADH through the electron transport chain. Please arrange them in order: Cytochrome c (Fe2+) carries electrons to Complex IV. Cytochrome c (Fe3+) is reduced to cytochrome c (Fe2+) QH2 carries electrons to Complex III Oxygen is reduced to water Ubiquinone (coenzyme Q) is reduced to ubiquinol (QH2)
- Which of the following best describes the number of NAD+ that get reduced in the matrix reactions: 10 NAD+ REDUCED 8 NAD+ REDUCED 6 NAD+ REDUCED 4 NAD+ REDUCED 2 NAD+ REDUCED NAD+ do not get reduced in the matrix, they only get oxidized When the acetyl-group from pyruvate enters the Krebs Cycle, CO2 loss is coupled with: oxidation of NADH hydrolysis pf water. condensation of water. phosphorylation. reduction of NAD+ Which of the following would cause a drop in free energy during the oxidation of glucose? the oxidation of G3P and reduction of FAD the oxidation of pyruvate and reduction of CO2 the reduction of pyruvate and oxidation of G3P the oxidation of malate and the reduction of NAD+ the oxidation of NADH and the oxidation of protein complex IWhich of the following statements is true for the shown reaction? The reaction requires vitamin B1 A decrease in the ratio of NADH/NAD+ inhibits the reaction The only fate of the product Y is to be converted to succinyl-CoA All of the above None of the aboveWhen NAD* accepts electrons during a glycolysis reaction, this is an example of a reaction. O phosphorylation O redox O dehydration O protonation
- Explain how NADH carry electrons by explaining what a hydride is. Which metabolites can potentially accumulate when complex I of the electron transport chain is defective? Do you think NAD therapy will help with hangovers? Explain.Identify the missing words in the below description about electron transport chain. Word bank: ATP synthase, electrons, glycolysis, oxidation-reduction, oxidoreductases, protons, proton motive force, TCA cycle, Question: NADH and FADH2 generated from and donate their high energy the first electron acceptor molecule on the ETC. The electron then flow through a series of electron accepting molecules via repeated reaction, releasing some energy at each step. The released energy is captured by the membrane-bound (where the e-accepting molecules are in) and used to pump creating a proton concentration gradient (higher outside of the cell, lower inside the cell) known as the cell via the proton channel on the membrane, the energy is used by the enzyme RH Glycolysis NDH-1 NADH+H TCA cycle 4H¹ 4H Electron transfer is coupled to pumping H* ions. 2H NAD + 2H* Quinone pool Quinols carry electrons to another ETS complex pumping H* ions. 2H* Wan SIGH 2H 2H* ½20₂ + 2H* Cyt bo to generate ATP from…The reaction pictured is an oxidation-reduction reaction in the citric acid cycle in which the energy-carrier molecule NADH is generated. Identify which molecule in the reaction will be oxidized and which molecule will be reduced. Place a single answer choice in each box. COO- HO-C-H H-C-H COO- Malate NAD+ NADH + H+ Oxidized malate oxaloacetate COO- H-C-H ī COO- Oxaloacetate Reduced NADH NAD+