The reactions occurring as electrons move through the electron transport chain are also Redox reactions. Using your Redox tower, calculate the redox potential of the full reaction as the cytochrome a interacts with 02: Cytochrome a red + O2 + 4H* -> Cytochrome a + H20 OX
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- The photosynthetic process used by the green sulfur bacteria, under anaerobic conditions, is best represented by which of the following balanced equations? 6CO2 + 12H2O C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2S C6H12O6 + 6S2 + 6H2O C12H22O11 + H2O C6H12O6 + C6H12O6 C6H12O6 + C6H12O6 C12H22O11 + H2O C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2OThe Q cycle is one of the hallmark features in the light reaction. Please describe what is Q cycle, why it is important and how many protons are moved in a complete Q cycle when 1 H2O molecule gets oxidized.Which of these molecules associated with electron transport is in the reduced state? Choose from the following: (A) cytochrome a3+++ (b) cytochrome a3++
- Cyanide poisoning inhibits aerobic respiration at cytochrome c oxidase. Which of the following is NOT a result of cyanide poisoning at the cellular level? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d e Oxygen is reduced to water The rate of glycolysis increases Cells are forced to switch to anaerobic respiration The electron transport chain is not completed None of the above Answered K Open in Reading View ✔PosubmitDescribe the regulation of cytochrome - C in molecular-level detail. please describe in own wordsWhich of the following complexes is also called Cytochrome Oxidase? Complex I Complex II Complex III Complex IV
- The cytochromes are heme-containing proteins that function as electron carriers in the mitochondria. Calculate the difference in the reduction potential (AE°') and the change in the standard free energy (AG°) when the electron flow is from the carrier with the lower reduction potential to the higher. cytochrome c₁ (Fe³+) + e¯ = cytochrome c₁ (Fe2+) E°' = 0.22 V cytochrome c (Fe³+) + e¯ = cytochrome c (Fe²+) E°' = 0.254 V Calculate AE°' and AG°'. AE°' = AG°' = V kJ/molCytochrome P450 (CYP450) monoxygenase is the enzyme involved in Phase I metabolism. 450 refers to: * It can metabolize 450 drugs when in the reduced form and complexed to carbon monoxide It can produce 450 drugs when in the oxidized form and complexed to carbon dioxide It can emit light at 450 nm when in the oxidized form and complexed to carbon monoxide It can absorb light at 450 nm when in the reduced form and complexed to carbon dioxide It can absorb light at 450 nm when in the reduced form and complexed to carbon monoxideCytochrome c oxidase catalyses the transfer of electrons from ferrocytochrome c to molecular oxygen. The balanced equation is shown below. 4 Cytochrome c(Fe 2") + O2 + 4 H* → 4 Cytochrome c(Fe * ) +2H:0 The relevant half reactions are: Cytochrome c(Fe * ) + e Cytochrome c(Fe ) E, = +0.254V ½ O2 + 2 H* + 2 e H20 E.' = +0.816V (F = Faraday's constant = 96.485 kJ /V. mol, R= 8.314 J/mol.K) (i) What is the standard free energy change for this reaction? (ii) What is the equilibrium constant (Keg) for this reaction?
- At the left is an energy diagram that shows the energy changes for the example of glucose (C6H1206) being converted to CO2 + H2O. One curve is the reaction with enzymes, while the other is without enzymes. For these reactions, the "X" indicates: Glucose + 60g a) b) free energy of glucose free energy of activation without enzymes free energy of CO2 + H2O free energy released free energy of activation with d) e) Progrem af reaction enzymes Frec energy, GA newly identified bacterium is unable to synthesize ubiquinone. A mobile electron carrier called CXC3 is used as a substitute. From the information provided in the table, calculate the delta G knot prime and the Keq value at 298 K for the redox reaction that occurs in this bacterium’s electron transport chain. Explain the impact that using CXC 3 instead of ubiquinol will have on ATP production in the cell. How might this cell adapt to this situation?Match the following catalytic strategies with their example. Place a Letter on the picture. There are only two examples given. CH2OH CH2OH CH2OH CH2OH он он OH OH + H20 OH OH OH но H. но но OH OH OH OH OH OH A. Oxidoreducatase B. Transferase C. Hydrolase D. Lyase NH3 E. Isomerase F. Ligase R-CH-COO "ooc-CH2-CH2-C-COO Amino acid a-Ketoglutarate