Protons accumulate on the side of the thylakoid

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13. Protons accumulate on the ____ side of the thylakoid membrane. A) stromal B) lumenal C) matrix D) cytosolic 14. Indicate whether Quinones occur in chloroplasts, mitochondria, or both: 15. After photon absorption, the reduction potential of P680 chlorophyll is 16. Nitrogenase carries out the reaction that reduces nitrogen to ______. 17. Which enzyme has a higher affinity for glucose at physiological concentrations? A) hexokinase B) glucokinase 18. The immediate precursor to AMP and GMP is ______. A) UMP D) IMP B) CMP E) ribose-5-phosphate C) PRPP 19. The electrons abstracted by the OEC (Oxygen Evolving Complex) are relayed to a(n) ______. 20. Which of the organs listed below has the capacity to generate glucose through gluconeogenesis? Section II: 62 points, total (2 points each) 21. Which of the following participates in GMP synthesis from IMP? Scrambled version C Page 2
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22. Which of the following does NOT participate in the regulation of fatty acid synthesis? A) Feedback inhibition by palmitoyl-CoA D) acetyl-CoA carboxylase B) Activation by citrate E) All of the above regulate fatty acid synthesis C) Activation by malonyl-CoA 23. Identify the amine acceptor in the following transamination reaction. Glu + amine acceptor --> Asp + α -ketoglutarate 24. Insulin binding initiates a cascade that eventuates in the activation of ______ . 25. Which of the following represents the correct order of steps in the RuBisCO reaction? i. enediolate intermediate attacks CO 2 ii. splitting of molecule results in 2 molecules of 3-phosphoglycerate iii. enzyme removes H + from C3 of ribulose-1,5-bisphosphate iv. hydroxyl group is added to C3 v. O atom of H 2 O attacks C3 26. Complete oxidation of _____ chain fatty acids utilizes enzymes of the TCA cycle. A) even B) odd C) both odd and even 27. G proteins:
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