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Unit Test: Metabolic Processes /87 Marks Good luck on your test everyone! NAME: From Melvin Calvin Part A: Multiple Choice *Mark answers on the Scantron Sheet* (28 marks) 1. What happens to a molecule that is oxidized? 2. Enzymes work as catalysts by doing which of the following? 3. Which group of organic compounds includes the enzymes? 4. Which of these has parts of the Electron Transport Chain (ETC) in the correct order of the flow of electrons? 5. What the amount of energy required to make an ATP molecule? 6. What is the function of the allosteric site? 7. Which of the following statements about adenosine triphosphate (ATP) is NOT true? 8. In which of the following situations would you least expect to find anaerobic respiration occurring? 9. Glycolysis can best be described as…… 10. At the end of glycolysis, most of the energy originally found in glucose is located in molecules of For Questions 11 – 13 refer to the chart below made by researchers who recorded the molecular mass and the free energy of a series of compounds all involved in an enzyme series [A B C D E F]. The enzymes involved are identified by naming their substrate and their product so enzyme CD converts C D. A B C D E F molecular mass [a.m.u.] XXX XXX XXX XXX XXX XXX free energy [kJ/mol] YYY YYY YYY YYY YYY YYY 11. Which enzyme step shows the most evidence of an anabolic process? 12. Which enzyme step is the one that may release NADH + H+ ? 13. Which enzyme step is the one that is endergonic and could involve an ATP? 14. Where in the electron transport chain does the energy come from for the synthesis of ATP? 15. How many H+ ions from FADH2 have to pass through ATP synthase to make one ATP? 16. The following molecules can be found at various stages during cellular respiration: I. XXX II. YYY III. ZZZ IV. JJJ Which of the following sequences represents the above molecules in order from the largest to the smallest amount of chemical energy? a) b) c) d) e) I, II, III, IV IV, III, II, I III, II, I, IV III, IV, I, II II, I, IV, III 17. Alanine can enter Cellular Respiration as which of the following? 18. In terms of direct ATP production, what is the advantage of a cell having mitochondria? 19. In terms of the spectrum of white light, which of the following is the least effective for photosynthesis? 20. What is the function of water in photosynthesis? 21. What colour of light has the least energy? 22. A kind of herbicide works by disrupting the structure of the internal membranes of a chloroplast(putting holes in them). Which segment of photosynthesis would be the most affected? 23. When photosynthesis occurs, the oxygen that is released comes from 24. What happens to electrons released as a result of photolysis 25. In Kreb’s Cycle, what enzyme(s) would be required to XXX into YYY? 26. During the Oxydation of Pyruvate, what biproduct is released from the process? 27. FADH2 is unable to pass through….. 28. The efficiency of a fatty acid molecule, compared to an equal number of carbons in glucose form, is Part B : Fill In the Blanks (20 Marks) Fill in the blanks using the word bank provided at the end. Please note there are more words than will be used. Some of the words are… 3, 36, CoASH, Dehydrogenase, Hydrogen, Sucrose, Plastoquinone, Pyruvate, 39, Plastocyanin, Matrix of the Mitochondria, Starch, water, 19, FADH2, hydrase, Lactic acid, Acetyl-CoA , 2-Phosphoglycerate, isomerase, Decarboxylase, dehydrase, 1, Ethanol, 3 phosphoglycerate, NADH + H, Oxygen, 1-3 biphosphoglycerate, Cellulose, Ferredoxin, Z protein, 2, Stroma, decarboxylase, phosphorylase Part C: Diagrams (25 Marks) Complete the diagrams using the word bank provided . Please note that not all words will be used in these diagrams, words may be used more than once and not all missing words need to be filled in. Some of the words are….. protein Q ; B6F-Complex FAD; Succinate; cytochrome b-c1 ; 3 phosphoglycertate ; Thylakoid Space; Alpha ketoglutarate; 1,3 – biphosphoglycerate ; H2O ; Decarboxylase ; cytochrome oxidase; Ferrodoxin ; NADP Reductase; NADH Dehydrogenase ; Photosystem I; cytochrome C ;Fumarate; Z Protein; ATP synthase ; Hydrase ; Photosystem II; Malate; ribulose biphosphate; plastocyanin ; ATP, NADPH + H+, CO2 ; Stroma; 12 ; NADP+ ; Co-ASH; Succinyl Co-A; glyceraldehyde-3-phosphate ; Pi ; FADH2 ; Dehydrogenase ; pyruvate; Oxaloacetate; plastoquinone; Matrix, Citric Acid, isocitrate Part D Long Answer Questions On the paper provided, please answer TWO of the following questions using full sentences (when appropriate) to defend your perspective or recreate the charts provided to answer the question. (7 Marks Each)