Solved by a verified expert:BSC 1005 2nd ExamSpring 2016Professor: Dr. Victor OkohInstruction: Read the following questions carefully and circle the most correct answer.1.Which of the following most accurately define energy?A) Something that can cause movementB) Something that produces heatC) Something that has the capacity to do workD) Something that must be eatenE) Something that provides sunlight2.During light independent (Dark) reactions of photosynthesis:A) H2O is oxidized to oxygen and hydrogen ions.B) ATP is used to produce H2O.C) ATP is used to produce NADPH.D) CO2 is fixed into glucose.3.The ultimate source of energy for most life on Earth is:A) Heat from the Earth.B) The metabolic processes found in all living things.C) The sunD) Oxygen.4.The oxygen produced during photosynthesis comes from:A) Water.B) Carbohydrates.C) Carbon dioxide.D) The air plants take in.E) The atmosphere5.Plants are green because of which of the following (not in your review).A) Green nucleusB) Green enzymesC) Green food vacuoleD) Green chlorophyllE) All of the above are correct6.Which statement about energy transfer in nature is true? (Not in your review)A) 10% of energy is lost during conversion in ecosystemB) 50% of energy is lost during conversion in ecosystemC) 90% of energy is lost during transfer in food chainD) 100% of energy is lost during conversion in ecosystem. 7.Plants provide animals with which of the following?A) FoodB) OxygenC) Carbon dioxideD) Food and oxygenE) Food and carbon dioxide8.What product required by plants do animals produce during cellular respiration?A) GlucoseB) OxygenC) CO2D) ADPE) ATP9.As a by-product of photosynthesis, what percentage of the Earth’s atmosphere is oxygen?A) 31 percentB) 41 percentC) 21 percentD) 10 percentE) 50 percent10. Plants make ATP during the light reactions of photosynthesis. Why do plants also need tocarry out the process of cellular respiration?A) The ATP made during photosynthesis is different from the ATP made duringcellular respiration.B) Plants need to make ATP from cellular respiration only when the conditions forphotosynthesis are bad.C) The ATP made during photosynthesis is only enough to fuel the dark reactions. Theplant has to carry out cellular respiration to make ATP for other metabolic activitiesD) Plants do not need to perform cellular respiration.11. During glycolysis, a glucose molecule will be split into two, three-carbon ____ molecules.A) Acetyl CoAB) Pyruvic acidC) ATPD) Oxloacetatic acidE) NADPH12. How many pyruvic acid molecules are generated during the oxidation of one glucosemolecule during cellular respiration?A) ThreeB) TwoC) ZeroD) OneE) Four 13. Which statement is true about cellular respiration?A) You cannot obtain energy (ATP) from fat as the energy expenditure is too muchB) You cannot obtain energy (ATP) from protein because of the energy expenditureC) You can obtain energy from both proteins and fat even though the initial energyexpenditure is muchD) A, B, and C are all true statementsE) Neither A, B nor C is correct statement14. Adenosine Triphosphate (ATP) is a transformed sun’s energy fueling cellular workA) This statement is false as ATP is not ultimately derived from sunB) This statement is true as all energy form in our solar system is derived from sunC) ATP is generated from carbohydrates and the sun has nothing to do with it.D) I am a little confused by this question and answer choices.15. The breaking apart of water in photosynthesis is critical to animals because it produceswhat:A) Generates ATP.B) Regenerates RuBP.C) Creates a food source.D) Consumes carbon dioxide.E) Oxygen.16. When glucose is the fuel source, what is the correct sequence of stages in cellularrespiration?A) Glycolysis, Krebs cycle, electron transportB) Electron transport, Krebs cycle, glycolysisC) Krebs cycle, glycolysis, electron transportD) Electron transport, glycolysis, Krebs cycleE) Krebs cycle, electron transport, glycolysis17. The three main products of glycolysis are:A) ATP, NAD+, and CO2.B) ATP, pyruvic acid, and CO2.C) ATP, NADH, and Pyruvate.D) ATP and pyruvic acid.18. Glycolysis occurs in the cell’s:A) Cytosol.B) Mitochondria.C) Golgi apparatus.D) Plasma membrane.E) Nucleus. 19. The structure of ATP contains how many phosphate groupA) OneB) TwoC) ThreeD) FourE) Six20. T/F: If you deplete your glucose reserve (starvation), your body will obtain energy fromyour fat reserve (not in your review)A) This is a true statement.B) This is a false statementC) I have an alternate explanation professor…..via my google researchD) I don’t know the answer because I missed class the day you made this point….soI’ll mark this option wrong (next time I will come to class on time)!21. T/F: Yucca (cassava) is a chemical form of sun’s energy in plant (not in your review)A) This is a true statement.B) This is a false statementC) I have an alternate explanation professor…..via my google researchD) I don’t know the answer because I missed class the day you made this point….somark this option wrong (next time I will come to class on time)!22. There is an energy investment step needed to get glycolysis started, this step requires theuse of ________ ATPs.A) zeroB) fourC) twoD) three23. What is the net maximum number of ATP molecules that can be produced per glucosemolecule during cellular respiration?A) 28-36 ATPB) 4-14 ATPC) 8-32 ATPD) 2-40 ATPE) 38-40 ATP24. What is the minimum number of ATP molecules that can be produced per glucosemolecule during anaerobic cellular respiration? (not in your review)A) 36B) 4C) 8D) 2E) 38 25. During the Calvin cycle, plants:A) Fix CO2 into sugar.B) Create ATP.C) Oxidize H2O to oxygen.D) Convert solar energy to chemical energy.26. The majority of ATP in aerobic respiration is produced by:A) The Krebs cycle.B) Glycolysis.C) The electron transport chain.D) Photolysis27. During cellular respiration, sun energy stored in __________ is converted to chemicalenergyA) CO2B) FAD+C) NAD+D) glucoseE) ATP28. Eukaryotic cells require oxygen to:A) Enter the Krebs cycle as an intermediate.B) Perform fermentation.C) Breathe.D) Serve as an electron acceptor in the electron transport chain.E) Start glycolysis.29. Glycolysis occurs in the ________, the Krebs cycle occurs in the ________, and theelectron transport chain occurs in the ________ membrane.A) Mitochondria; mitochondria; mitochondrialB) Cytoplasm; mitochondria; mitochondrialC) Mitochondria; cytoplasm; plasmaD) Cytoplasm; cytoplasm; plasmaE) Cytoplasm; mitochondria; plasma30. Which of the following statements concerning the electron transport chain is false?A) The final electron acceptor is oxygen.B) Each NADH yields three ATP molecules.C) Each FADH2 yields two ATP molecules.D) The electron transport chain will work whether oxygen is present or not.31. What product(s) do plants produce during photosynthesis that is/are used by humans andother animals?A) GlucoseB) OxygenC) Carbon dioxideD) Glucose and oxygen 32. When Usain Bolt is dashing for 100 meters, he breaths less while breaking the worldspeed record. Where could he have gotten all the energy to be world fastest man if heisn’t breathing that much while sprinting?A) His ETC goes on overdrive in producing ATP even when oxygen is low.B) His Kreb cycle goes on overdrive to expel CO2 so as to excess lots ATP to burn.C) His glycolytic step goes on overdrive in burning excess glucose to produce 40 ATPper molecule to sustain the burst of activity of his muscle cellsD) His glycolytic step goes on overdrive to burn excess glucose to make only 2 ATPper molecule.E) I have no idea and google can’t help me out here33. Which of the following molecules is produced in the intermediate step between glycolysisand the Krebs cycle?A) ATPB) OxaloacetateC) Pyruvic acidD) Acetyl CoA and CO2E) Citric acid34. What is the energy currency of cells?A) ATPB) glucoseC) enzymes D) ADPE) vitamins35. The purpose of chlorophyll is to:A) Absorb light energy.B) Let CO2 enter the plant.B) Make ATP.C) Make NADPH.36. The products of the light reactions that are then used by the Calvin cycle are:A) ATP onlyB) ADP and NADP+.C) ATP and O2.D) O2 and NADH.E) ATP and NADH.37. How many carbon dioxide molecules are required to make one molecule of glucose?A) TwoB) ThreeC) SixD) Eight 38. Chloroplast is domed shape because……A) They are more efficient in absorbing light energy while domeB) Being domed shape allows chloroplast to increase oxygen productionC) Domed shape chloroplast splits sunlight into its component wavelength as not allspectrum participates in photosynthesisD) Domed shape chloroplast allows the chlorophyll to adsorbed more light energy39. What does oxygen allow humans to do?A) BreatheB) Produce foodC) Digest foodD) Produce ATP from food40. What is the primary purpose of the light reactions of photosynthesis?A) To produce glucoseB) To release electrons needed to convert solar energy to chemical energy such as ATPC) To create oxygen gasD) To remove carbon dioxide gas from the atmosphere41. You are in Africa and you see a severely malnourished starving child on brink of death. Inyour backpack you have a piece of water, bread and several bottles of chocolate ‘ensurefood drink’. The bread have several more calories than the ensure drink or water. Whichshould you give to the child? (not in your review)A) Bread because a malnourished child needs all the ATP they to recoverB) The ensure food drink because the body will spend less energy breaking it downC) I will give the child both bread and ensure because the child will need all the ATPto survive and recoverD) I will carry the child till I can find helpE) Not sure what I will do really42. Stage 3 to 4 cancer cells are vicious in that they ‘eat up’ the glucose in the body leavingnormal cells to starve and die. Why is that so? (not in your review)A) Cancer cells are more efficient in converting glucose to ATP whereas normal cellsare inefficient at this task leaving them disadvantagedB) Normal cells don’t like to make ATP from glucose whereas cancer cells doC) Advanced cancer cells are highly metabolic and uses up excess glucose in glycolyticprocess hence leaving normal cells with little glucose for their own survivalD) Cancer cells prefer to make ATP from glycolysis which is more efficient than ETCE) None of these options are correct.43. What will happen if you grow your yucca in the dark for 2wks while providing nutrient,water and CO2? (not in your review)A) Nothing….I will have nice yucca yam at end of 2wksB) The leaves will be dull or dead so no yucca yam will be available at the end of 2wks C) The yucca yam will be bigger than if I grew it outside; after all carbohydrates aremade in night reaction.D) The yucca will not form at all for it needs light to make ATP to drive yucca productionE) I missed class that day so I will have to guess the answer44. T/F? Leaves in plants act like solar panel to harness the sun’s energy and for cellularrespiration (not in your review)A) Absolutely true statementB) Absolutely false statementC) There is some truth to the statement and I can prove thatD) I missed class that day so I will have to guess the answer45. T/F? When an animal dies and rots, this is a good example of First law of thermodynamicsA) Absolutely true statementB) Absolutely false statementC) None of the above option is correctD) I missed class that day so I will have to guess the answer46. T/F? Plants use ATP from light reaction to maintain its own metabolic activities?A) Absolutely true statementB) Absolutely false statementC) None of the above option is correctD) I missed class that day so I will have to guess the answer47. T/F In terms of thermodynamics, yucca is kinetic energy?A) Absolutely true statementB) Absolutely false statementC) None of the above option is correctD) I missed class that day so I will have to guess the answer48. T/F. When you waste energy in your home, you are essentially ‘destroying’ it which wouldincrease your energy bill?A) Absolutely true statementB) Absolutely false statementC) None of the above option is correctD) I missed class that day so I will have to guess the answer49. T/F. Normal cells can survive on ATP from glycolysis very well…A) TrueB) False50. T/F. Stage 4 cancer cells are efficient in ATP synthesis from ETCA) TrueB) False
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