Chat with us, powered by LiveChat General Biology IExam 2 Chapters 5, 6, 8Spring Semester 2014Form A NameSection M | WriteMoh

General Biology IExam 2 Chapters 5, 6, 8Spring Semester 2014Form A NameSection M

General Biology IExam 2 Chapters 5, 6, 8Spring Semester 2014Form A NameSection Multiple Guess: There is only one correct choice for each question.1. Which of the following could be found in the membranes of animal cells? a) proteinb) phospholipid c) cholesterol d) all of the above e) none of the above.2. Which of the following types of molecules would be most variable between differentmembranes (excluding the plasma membrane)? a) protein b) lipidc) carbohydrate d) nucleic acid e) they would be the same in all membranes in a cell.3. Which of the following can be moved from one leaflet of a membrane to the other?a) protein b) phospholipid c) carbohydrate d) nucleic acid e) none of the above.4. What type of chemical bond would attach one phospholipid to another in a membrane?a) covalent b) Hydrogen c) hydrophobic interaction d) ionic e) all of the above.5. Which of the following would increase membrane fluidity at high temperatures?a) lengthen the fatty acid chains in the phospholipids b) add more cholesterolc) add more unsaturated fatty acids d) two of the above e) all of the above.6. Which of the following organelles is primarily responsible for synthesizing membranes in thecell? a) nucleus b) endoplasmic reticulum c) mitochondria d) microbodiese) ribosomes.7. The different functions of different membranes is due mostly to which of the followingcomponents in the membrane? a) Phospholipids b) Cholesterol c) Proteinsd) Glycolipids e) Glycoproteins.8. Which of the following only move solute down its concentration gradient, never against it?a) Simple Diffusion b) Facilitated Diffusion c) Active Transportd) two of the above e) none of the above.9. When molecular Oxygen moves through a membrane, which of the following types oftransport is used? a) Simple Diffusion b) Facilitated Diffusionc) Primary Active Transport d) Secondary Active Transport e) none of the above.10. When monosaccharides and amino acids enter a cell, which of the following types oftransport is typically used? a) Simple Diffusion b) Facilitated Diffusionc) Primary Active Transport d) Secondary Active Transport e) none of the above.11. If water diffuses into a cell, in what type solution was the cell placed? a) isotonic b) hypertonic c) hypotonic d) none of the above.12. Which of the following types of transport would move material down its concentrationgradient, but require the action of a protein transporter? a) Simple Diffusionb) Facilitated Diffusion c) Active Transport d) two of the above e) none of the above.13. A protein channel which opens and closes in response to the electrical charge across amembrane would be termed which of the following? a) Primary Active Transportb) Secondary Active Transport c) Ligand-gated Channel d) Voltage-gated Channele) all of the above.14. A protein transporter which moves two solutes, in opposite directions through a membranewould be termed which of the following? a) Uniport b) Symport c) Antiportd) Diport e) any of the above depending on the solute.15. What type of transport would be involved when a vesicle fuses with the plasma membraneto secrete material from the cell? a) Endocytosis b) Receptor-mediated Endocytosisc) Exocytosis d) two of the above e) all of the above.16. Which of the following types of junctions functions to hold together adjacent cells?a) Anchoring Junctions b) Tight Junctions c) Gap Junctions d) all of the abovee) none of the above.17. An exergonic reaction would be expected to have which of the following?a) +?G and Ke > 1 b) -?G and Ke > 1 c) +?G and Ke < 1d) -?G and Ke < 1 e) any of the above are likely.18. In the reaction A?B the Enthalpy of B = 5.6 Kcal/mole and that of A = 2.3 Kcal/mole.What is ?G for this reaction? a) +3.3 Kcal/Mole b) -3.3 Kcal/mole c) + 7.9 Kcal/moled) – 7.9 Kcal/mole e) you can’t determine this from the information given.19. In the reaction A?B the Enthalpy of B = 3.7 Kcal/mole and ?G = -2.4 Kcal/mole. What isthe Enthalpy of A? a) 8.88 Kcal/mole b) 6.1 Kcal/mole c) 1.54 Kcal/moled) 1.3 Kcal/mole e) you can’t determine this from the information given.20. In the reaction A?B the Enthalpy of A = 3.7 Kcal/mole and ?G = +2.4 Kcal/mole. What isthe Enthalpy of B? a) 8.88 Kcal/mole b) 6.1 Kcal/mole c) 1.54 Kcal/moled) 1.3 Kcal/mole e) you can’t determine this from the information given.21. In the reaction A?B, at chemical equilibrium there are 6 moles of A and 3 moles of B.What is the chemical equilibrium value for this reaction? a) 6 b) 3 c) 2d) 0.5 e) 18.22. In the reaction A?B, chemical equilibrium is 4. If there are 6 moles of reactant at chemicalequilibrium, how much product would be expected? a) 24 moles b) 12 molesc) 2 moles d) 1.5 moles e)0.67 moles. 23. In the reaction A?B chemical equilibrium is 3. If the reaction is begun with 12 moles ofreactant, how much product is expected at chemical equilibrium? a) 12 molesb) 9 moles c) 6 moles d) 3 moles e) 2 moles.24. In the reaction A?B chemical equilibrium is 0.5. If the reaction is begun with 9 moles ofreactant, how much reactant is expected to remain at chemical equilibrium? a) 9 molesb) 6 moles c) 3 moles d) 1 moles e) 0.5 moles.25. Which of the following occurs when a noncompetitive inhibitor binds an enzyme?a) substrate is blocked by the inhibitor from binding to the active site.b) the enzyme is denatured and loses all activity, permanentlyc) the enzyme changes confirmation to an inactive shaped) all coenzymes and cofactors are removed so the enzyme is inactivee) any and all of the above could occur.26. When feedback inhibition occurs the product of a metabolic pathway binds which of thefollowing? a) the first substrate in the pathway b) the last enzyme in the pathwayc) the fastest enzyme in the pathway d) an early enzyme in the pathwaye) any of the above.27. Which of the following can denature enzymes? a) high heat b) strong acidsc) strong bases d) highly charged cations e) all of the above.28. Which of the following wavelengths/colors of light would have the highest energy content?a) blue b) green c) yellow d) red e) they have the same energy content.29. Which of the following colors of light would be absorbed LEAST by a blue pigment?a) blue b) green c) yellow d) red e) they would all be absorbed equally.30. Light is absorbed by Photosystem I and used to energize electrons. To which of thefollowing are these high energy electrons most directly passed? a) carbon dioxideb) NADP+ c) the electron transport chain d) Photosystem II e) RuBP.31. How does the Carbon Dioxide used in Photosynthesis enter the plant?a) it is produced metabolically through the breakdown of sugarsb) diffusion through the roots into the xylem c) diffusion through stomata into the leavesd) it is actively transported up the stems e) none of the above – it is produced notconsumed during Photosynthesis.32. High energy electrons from Photosystem I are passed to which of the following to bepassed out of the Photosystem? a) NADP Reductase b) ATP Synthasec) NADP+ d) P700 e) the Electron Transport Chain Cytochrome Complex.33. Which of the following are products of the Light-Dependent Reactions? a) ATPb) Oxygen c) NADPH d) all of the above e) none of the above. 34. Which of the following are products of the Calvin-Benson Cycle? a) ATPb) Glucose c) Oxygen d) NADPH e) all of the above.35. Which of the following are produced when Hydrogen ions diffuse from the lumen of theThylakoid to the Stroma? a) ATP b) NADPH c) Carbon Dioxided) Glucose e) G3P.36. The Oxygen released during Photosynthesis comes from the breakdown of which of thefollowing? a) Carbon Dioxide b) Glucose c) Water d) G3P e) RuBP.37. Plants use the Glucose created during Photosynthesis to produce which of the following?a) other Carbohydrates b) Proteins c) Fatty Acids d) Nucleic Acidse) all of the above.38. Where in a C4 plant does C3 Photosynthesis occur? a) Mesophyll Cellsb) Bundle Sheath Cells c) both of the above d) neither of the above.39. Where in a C3 plant does C4 Photosynthesis occur? a) Mesophyll Cellsb) Bundle Sheath Cells c) both of the above d) neither of the above.40. In a CAM desert Cactus, when does C4 Photosynthesis occur? a) at nightb) during the day c) both during the day and night d) none of the above.41. Electrons lost by Photosystem II are replaced directly by those from which of thefollowing? a) Photosystem I b) the Electron Transport Chain c) Waterd) NADPH e) ATP Synthase.42. Which of the following is used directly to regenerate RuBP during the Calvin-BensonCycle? a) G3P b) Glucose c) Carbon Dioxide d) 3PG e) NADPH.43. C4 Photosynthesis is used to do which of the following? a) produce Fructoseb) produce Amino Acids c) pump Carbon Dioxide even at low concentrationsd) pump NADPH into the cytoplasm e) pump ATP out of the Chloroplast.

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