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SC BIOL 425 - plant test 1 (1)

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1. The phragmoplast DOES NOT begin to form at the walls of the dividing cell and grows inward.2. Coenzyme Q is the most abundant component of the mitochondrial electron transport chain.3. Turgor pressure results most directly from water moving into a cell by osmosis.4. In the antenna complex, resonance energy transfer can transfer light energy from one pigment molecule to another.5. An aquaporin is a channel protein for water6. Small nonpolar molecules enter a cell by simple diffusion7. The malate or aspartate produced in the C4 pathway moves next to the bundlesheath cells.8. Secondary metabolites ARE NOT found in all cells of a plant9. Oxidative phosphorylation depends on a gradient of protons across the mitochondrial membrane10. ATP synthase DOES NOT synthesize electrons11. In phosphorylation, the role of ATP synthase complex is to provide a channel for protons to flow back into the chloroplast stroma12. Mitochondrial membrane is NOT part of the endomembrane system13. Cellulose synthase is an enzyme situated in the plasma membrane14. Water will move FROM a region of low solute concentration to a region of high solute concentration15. Chlorophyll a occurs in all photosynthetic eukaryotes16. Rubisco can use O2 or CO2 as a substrate17. The nucleolus is the structure in which ribosomes are formed18. Nucleic acids are different from proteins in that nucleic acids contain phosphorus19. Fermentation DOES NOT involve O2 as the ultimate electron acceptor20. The alignment of cellulose micro fibrils in the cell wall is controlled by cell wall actin filaments21. The major classes of secondary plant metabolites are alkaloids, phenolics, and terpenoids.22. The cell wall layers start at the outermost with Middle lamella, primary wall, secondary wall23. An actin spectrum is different from an absorption spectrum in that an actin spectrum is the light transmitting pattern of a pigment24. In each turn of the citric acid cycle, 1 molecule of ATP is produced25. Pyruvate is converted to acetyl CoA in the matrix of the mitochondria26. The principle component of the cell walls of fungi is chitin27. Water is transported upward through the plant body in the xylem.28. The O2 evolved in photosynthesis comes from water29. The first law of thermodynamics states that the total energy of a system and its surroundings after an energy conversion is equal to the total energy before the conversion30. In plasmolysis the plasma membrane pulls away from the cell wall31. Which of the following is unique to seed division in plants: migration of the nucleus to the center of the cell32. Which of the following favors photorespiration: a hot dry environment33. Cellulose consists of beta glucose subunits34. During the conversion of pyruvate to acetyl CoA, CO2 is producted35. Compared with a C3 plant, a C4 plant needs more ATP to fix CO236. When botanists speak of a bilayer there are referring to a structure composedentirely of phospholipids37. Under anaerobic conditions, yeasts and most plant cells have ethanol and carbon dioxide38. Water makes up more than half of all living matter and more than 90% of weight of most plant tissues39. An enzyme functions as a catalyst40. The process of photosynthesis results in the formation of sugar and oxygen41. Proton gradient and ATP are produces during noncyclic and cyclic electron flow42. ?43. Oils and fats are examples of triglycerides44. The cuticle retards water loss45. Formation of ATP and ADP and phosphate as a result of ET occurs in oxidative phosphorylation46. In glycolysis, one molecule of glucose is converted to 2 molecules pyruvate47. The common transport of sugar in plants is sucrose and in animals glucose48. Sucrose is composed of 2 sugar subunits linked covalently49. In the cell cycle, interphase consists of the G1, G2 and S phases50. The antenna complex DOES NOT convert light energy into chemical


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