Concept Review test 3: This must be printed out, be completed entirely with handwritten answers for each definition & each question to earn credit. No, you do NOT have to hand write each question, that is why you will PRINT the concept review. Define 1-18: 1. Active sites 2. Allosteric inhibitors 3. Anabolism 4. Catalysis 5. Catabolism 6. Cofactors 7. Coenzymes 8. Competitive inhibitors 9. Coupling & Redox 10. Enthalpy (H) 11. Entropy (S) 12. Enzyme 13. Exergonic & Endergonic 14. Free energy(G) 15. Metabolism 16. Oxidizing agent 17. Protein kinases 18. Reducing agent Know & Understand 1-23 BEFORE answering questions 24-53: 1. The first & second laws of thermodynamics 2. The symbols & relationships for thermodynamics 3. Structure (ribose or deoxyribose) of Adenine & ATP (alpha, beta & gamma phosphates) 4. Purpose of hydrolyzing ATP 5. Enzyme functions, effects on reactions & changes if any of reaction rates or energy 6. Enzymatic reactions & substrate concentration changes 7. List the protein kinases locations’ & functions’ 8. Function & purpose of: ATP: NAD+; NADH; FADH2; pyruvate; acetyl-coA 9. Pathways/travel of electrons in: aerobic respiration, anaerobic respiration, fermentation, mitochondria, ETC, photosynthesis 10. Location of proteins in ETC 11. Reactants required for & products produced by: aerobic respiration, anaerobic respiration, fermentation, mitochondria & ETC 12. Compare & contrast pathways between cellular respiration & glycolysis 13. Compare & contrast molecules present in Calvin cycle & glycolysis 14. Know the Calvin cycle products & when ATP & CO2 are used for what 15. Similarities & differences of C4 & CAM plants think CO2… 16. Products of light reactions fed into the Calvin cycle 17. Role of antenna pigment molecules in thylakoid membranes 18. ATP sources for cyclic electron flow & linear electron flow 19. Carbon fixation by PEP carboxylase in C4 plants allows for photosynthesis without what? 20. Plants respire &/or photosynthesis under which light or dark conditions 21. How photorespiration changes efficiency of photosynthesis 22. Reactants & enzyme(s) occurring in photorespiration 23. Steps & molecules required for completion of carbon fixation & Calvin cycle 24. Photosynthesis and respiration have what common (location, reliant up what mechanism; utilize what)? 25. Where does the NADPH required for the reduction of 3PG to G3P comes from? 26. The NADPH required for CO2 fixation is formed when? 27. How many moles of CO2 must enter the Calvin–Benson cycle for the synthesis of one mole of glucose? 28. After the removal of carbon, the oxygen in CO2 ends up where? 29. When CO2 is added to RuBP, the first stable product synthesized is what? 30. During photorespiration, rubisco uses what as a substrate? 31. Name several statements concerning the Calvin cycle that are true regarding: CO2 & sugars; regeneration of RuBP; use & storage of energy. 32. The immediate source of energy for ATP synthesis in chloroplasts is what? 33. In both photosynthesis and respiration, protons are pumped across a membrane when & where? 34. The Calvin cycle uses what four things to produce glucose? 35. Is photosynthesis the reverse of cellular respiration? 34-38 True or False: 36. The water for photosynthesis in land plants comes primarily from the soil. 37. CO2 is taken in, and water and O2 are released through stomata. 38. Light is necessary for the production of O2 and carbohydrates. 39. Photosynthesis is the reverse of cellular respiration. 40. All the O2 gas produced during photosynthesis comes from water. 41. The enzyme rubisco is found in where, in what cycle & organelle structure? 42. When a photon interacts with molecules such as those within chloroplasts, the photons may do three things which are what? 43. Electron transport within NADH-Q reductase, cytochrome reductase, and cytochrome oxidase can be coupled to proton transport from the mitochondrial matrix to the space between the inner and outer mitochondrial membranes, because those protein complexes are where? 44. During the citric acid cycle, oxidative steps are coupled to what? 45. Which process converts glucose to pyruvate, generating a small amount of ATP but no carbon dioxide? 46. The oxidation of pyruvate to carbon dioxide is called what? 47. Where in the cell is the site of oxygen utilization? 48. When NADH donates two electrons to ubiquinone during respiration, ubiquinone is oxidized or reduced? 49. The oxidation of malate to oxaloacetate is coupled to the reduction of NAD+ to NADH + H+. Where NAD+ is a(n): reducing agent or an oxidizing agent? 50. The two functions of fermentation is to do what? 51. Name several overall (big picture) statements that are true about metabolic pathways? 52. The main control point in glycolysis is what? (allosterically inhibited by ATP.) 53. The main control point in the citric acid cycle is what? (inhibited by NADH + H+ and ATP.)