NAME: r. Amin F. Majdalawieh . Prior to the cycle citric acid cycle, pyruvate is
ID: 132294 • Letter: N
Question
NAME: r. Amin F. Majdalawieh . Prior to the cycle citric acid cycle, pyruvate is converted into acetyl-CoA by the catalytic activity of A. Succinate dehydrogenase B. Hexokinase C. Pyruvate dehydrogenase complex D. Transketolase E. None of the above 7. Electron transport allow ATP synthesis by oxidative phosphorylation in the A. Cytosol B. Lipid bilayer of the plasma membrane C. Mitochondrial matrix D. Mitochondrial intermembrane space E. Nuclear envelope 8. To allow release of the energy harbored by electron carriers such as NADH and FADH2 molecules should be A. Phosphorylated B. Dephosphorylated C. Oxidized D. Reducecd E. Converted into acetyl-CoA 9. In aerobic respiration, electrons are passed between different complexes until they are ultima accepted byto produce A. Cytochrome c, CO2 B. NADH, CO C. Oz, H20 D. O2, C02 E. None of the above inhibitors of the electron transport system can be reversed b The effects of A. Artificial electron acceptors B. CO2 C. H2O D. Phosphorylation E. Dephosphorylation o.Explanation / Answer
Answer 6. Option c
Pyruvate is converted into the acetyl Coa by the enzyme pyruvate dehydrogenase complex by the process of oxidative decarboxylation.
Answer 7. Option c
The last step of aerobic Respiration is the oxidative phosphorylation through the electron transport chain. ETC occurs in the inner Mitochondrial membrane, ATP synthesis occurs in the Mitochondrial matrix.
Answer 8. Option c
NADPH and FADH2 transfer electrons to the complexes involved in the oxidative phosphorylation. Loss of electrons means oxidation.
Answer 9. Option c
This is the last step of oxidative phosphorylation where electrons pass through oxygen molecule to form water molecule.
Answer 10. Option a
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