<p> Photosynthesis PowerPoint Question Guide</p><p>Overview</p><p>1. Photosynthesis is an ______reaction because it combines simple molecules into more complex molecules.</p><p>2. a. Is photosynthesis an endergonic or exergonic reaction?</p><p> b. Explain why.</p><p> c. Energy from the ______is stored in the bonds of the sugar ______.</p><p>3. What serves as the carbon source for photosynthesis?</p><p>4. Sunlight is absorbed as packets of energy called ______.</p><p>5. Besides CO2, ______is also used in photosynthesis to produce ______molecules such as the sugar ______.</p><p>Where Does Photosynthesis Occur?</p><p>6. Plants can make their own food so they are called ______.</p><p>7. Photosynthesis occurs mainly in the ______of plants.</p><p>8. Pores on the underside of leaves are called ______, while the cells in leaves that contain chlorophyll are called ______cells.</p><p>9. The organelle in mesophyll cells that contains chlorophyll is called the ______.</p><p>10. Name two gases exchanged through the stomata of a leaf?</p><p>11. Besides gases, ______vapor can be lost from a leaf.</p><p>12. Sketch a stoma and label the cells that open and close the pore. Include arrows to show the direction of gas movement. </p><p>13. In what cell in a leaf does photosynthesis occur? Sketch and label one of these cells.</p><p>14. Sketch and label a chloroplast. </p><p>15. How many membranes does a chloroplast have?</p><p>16. Describe the outer membrane of a chloroplast.</p><p>17. What is the thick fluid in the inside of a chloroplast called?</p><p>18. ______are organelles containing chlorophyll.</p><p>19. Stacks of thylakoids are called ______and are ______to each other.</p><p>20. Grana make up the ______membrane of a chloroplast.</p><p>Why Plants Are Green?</p><p>21. Why are plants green?</p><p>22. a. Chlorophyll molecules are located in the ______membranes and harvest light ______.</p><p> b. Chlorophyll has a ______ion in their center.</p><p>23. Chlorophyll and other pigments absorb ______of light from 400nm to 700nm.</p><p>24. Chlorophyll absorbs ______and ______colors of light the best.</p><p>Fall Colors</p><p>25. During the fall, what happens to the amount of chlorophyll being produced by plants?</p><p>26. ______are plant pigments that include ______, orange, and ______colors.</p><p>27. Why do leaves turn colors in the fall?</p><p>28. What is a redox reaction?</p><p>29. ______is the loss of electrons, while ______is the addition or gaining of electrons.</p><p>30. Write the summary equation for photosynthesis and label each compound.</p><p>31. ______is oxidized and ______is reduced in photosynthesis.</p><p>Cellular Energy 32. What is the ultimate energy for life on Earth?</p><p>33. Plants store ______in the chemical bonds of ______.</p><p>34. Chemical ______is released from sugars during ______.</p><p>35. ATP stands for ______.</p><p>36. Name the parts of ATP?</p><p>37. Describe the bond attaching the last phosphate group to ATP.</p><p>39. What happens if the last phosphate bond on ATP is broken?</p><p>40. Name 3 things released when the last phosphate bond on ATP is broken.</p><p>41. The process of making ATP from ADP and a free phosphate is called ______.</p><p>42. Energy released from is available for cellular ______.</p><p>Parts of Photosynthesis</p><p>43. Name the first part of photosynthesis.</p><p>44. Light reactions use energy from the ______to produce ______and the energy carrier ______.</p><p>45. The second part of photosynthesis is called the ______cycle.</p><p>46. Does the Calvin cycle require light energy?</p><p>47. The Calvin cycle is also called the ______fixation or the ______pathway.</p><p>48. Where do the light reactions of photosynthesis take place in a chloroplast?</p><p>49. Name the two possible routes energized electrons can take during the light reactions of photosynthesis.</p><p>50. The cyclic electron flow only uses ______I in the thylakoid membranes and has chlorophyll a molecules at the photosystem's reaction center that absorbs ______wavelength of light.</p><p>51. The only energy generated in the cyclic electron flow is ______.</p><p>53. The noncyclic electron flow uses both photosystem _____ and _____.</p><p>54. The chlorophyll molecules at the reaction center of photosystem II absorb wavelengths of ______nm. 55. The noncyclic electron flow generates the gas ______, as well as ______and the energy carrier ______.</p><p>56. Both photosystem I and II use the ______transport ______(ETC) to produce ATP.</p><p>58. Water is split in ______, while NADPH is made in ______.</p><p>59. Oxygen made by plants comes from the splitting of ______.</p><p>49. ______powers ATP synthesis in plants.</p><p>50. Where does chemiosmosis occur in plants?</p><p>51. ATP is made using the ______chain and the enzyme ______.</p><p>52. ______ions move through down their concentration gradient through the ______of the enzyme ATP ______to form ATP from ______.</p><p>53.______is the energy molecule used by cells and must be remade by ATP ______or chemiosmosis.</p><p>54. ATP ______is the enzyme used to make ATP from ADP.</p><p>55. Most plants on Earth (80%) are known as ______plants and use the ______cycle to make sugars.</p><p>56. The Calvin cycle does ______require light energy and occurs in the ______of the chloroplast.</p><p>57. The energy for the Calvin cycle is ______and ______made during the light reactions.</p><p>58. The gas ______is used in the Calvin cycle to make the sugar ______.</p><p>59. When conditions are hot and dry, ______are closed to prevent water loss.</p><p>60. Name 2 plants that use different pathways to make food.</p><p>61. Give several examples of C4 plants.</p><p>62. Photosynthesis occurs in what two places in C4 plants?</p><p>63. C4 plants make a ______carbon sugar called malate in the mesophyll cells that enters bundle sheath cells.</p><p>64. The Calvin cycle takes place in ______sheath cells in C4 plants.</p><p>65. Name two CAM plants.</p><p>66. CAM plants ______their stomata during the hot day and ______them at night.</p><p>67. In CAM plants, the ______reactions occur during the day, while the ______cycle occurs at night when the stomata open and let ______enter.</p><p>68. By closing their stomata during the day, CAM plants conserve ______.</p>