NADH produces 3 ATP.
FADH2 produces 2 ATP.
FADH2 activates only 2 proton pumps while NADH activates 3 proton pumps. So, IV is correct.
Redox potential of NADH= -0.320
Redox potential of FADH2 = 0.031
So, FADH2 has lower oxidation potential. Hence, I is also correct.
So ans is c). I and IV.
3) Which of the following are the reasons why FADH2 produce less ATP compared to NADH?...
Why does oxidation of FADH2 provide less energy for the synthesis of ATP than oxidation of NADH in oxidative phosphorylation?
1. Which one of the following shows the correct sequence of energy transitions during chemiosmosis? A. NADH → electron acceptors → proton gradient → ATP synthase → ATP B. NADH → NAD+ → FADH2 → electron acceptors → ATP C. carbohydrates → acetyl CoA → CO2 → proton gradient → ATP D. NAD+ → NADH → protons → ADP → ATP E. glucose → pyruvate → acetyl CoA → NADH → ATP 2. Facultative anaerobes: A. prefer carbon dioxide. B....
Which of the following could explain why transfer of electrons from FADH2 to Coenzyme Q (CoQ) is not coupled to proton transfer, but transfer from NADH to Coenzyme Q is? Select one: a. FADH2 donates more electrons than NADH to the electron transport chain. b. Because FADH2 has higher affinity for electrons than Coenzyme Q c. Because FADH2 is a higher energy carrier than NADH d. Because the transfer of electrons from FADH2 to CoQ does not release enough energy....
(A) For the following reaction identify: i the electron donor ii the electron acceptor iii all redox pairs iv reducing agents v oxidizing agent Succinate + FAD+ <--> Fumarate + FADH2 (B) Why could less ATP produced from NADH from glycolysis than NADH from the citric acid cycle? (C) What role does succinate dehydrogenase play in oxidative phosphorylation?
Fermentation carried out by year cells will produce 1. glucos 2. ethanol 3. phsophoglyceraldehyde 4. 36 ATP per water molecule. It could be said that NADH and FADH2 Carry 1. electron energy for use in producing ATP energy 2. electron energy for use in producing glucose from sunlight and water 3. adenine for the production of ATP 4. Oxygen that will be used eventually to produce glucose Beta oxidation refers to 1. the formation of nonessential amino acids 2. the...
22. Lipids would produce with the carbohydrate of same weight. energy compared (a) more (b) less c) the same amount 23. Where are the proteins of electron-transport chain located in mitochondria for the cellular respiration? (a) matrix (c) inner membrane (b) outer membrane (d) both membranes 24. The flow of protons during the light reaction of photosynthesis is from thylakoid space to stroma and back to thylakoid space through the ATPase? (a) True (b) False 25. Which of the following...
ve the overall reaction ATP + glucose→glucose-6-phosphate + ADP + H. lf the &G" of ATP hydrolysis is /mol, what is AG for the coupled reaction? A. 46 kJ/mo B-18.4 kJ/mol C. -32.2 kJ/mol D. 18.4kJ/mol 26. Which of the following is true about oxidation-reduction reactions? A. B. C. D. During oxidation a compound gains electrons. Every oxidation must be accompanied by a reduction Dehydrogenases typically remove two electrons and two hydrides (H). There are four commonly accessed oxidation states...
High energy compounds that undergo oxidation to release energy are 1.) ATP and Acetyl-CoA 2.) Ac-CoA and FADH2 3.) ATP and NADH 4.) NADH and FADH2 The portion of transmembrane proteins that spans bilayer membrane in rich in 1.) non-polar amino acids 2.) polar, uncharged amino acids 3.) amino acids which are charged at pH 7 4.) hydrophilic amino acids Substrate level phosphorylation occurs during glycolysis 1.) step 6, during the formation of 1,3 bisphosphoglycerate from GAP 2.) step 1,...
Which complex in the electron transport chain does not contribute to the proton gradient across the mitochondrial membrane? A. Complex I B. Complex IV C. Complex II D. Complex III Which statement regarding the mitochondrial electron transport chain and oxidative phosphorylation is true? A. Ubiquinone and the F zero subunit of ATP synthase are peripheral membrane proteins. B. Complexes I, II, III, and IV all are proton pumps. C. The final electron acceptor is water. D. Complex II is considered...
Please explain why as well. 4. On average, how many ATP molecules are synthesized per NADH? A. 0 B. 1 C. 2 D. 3 E. 4 5. The FADH2 that is produced donates its electrons directly to A. Complex I B. Complex III C. Complex IV D. Coenzyme Q E. Cytochrome C F. O2 6. In the Binding Change Mechanism the 3 conformational states that occur in the F1 subunit of ATP synthase depend on A. interaction with b subunits...